Vulnerability-Lookup

ubuntu-cve-2024-42516

Vulnerability from osv_ubuntu

Published

2025-07-10 17:15

Modified

2026-05-29 10:27

Summary

Details

HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response. This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue. Users are recommended to upgrade to version 2.4.64, which fixes this issue.

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2024-42516	REPORT
	https://www.cve.org/CVERecord?id=CVE-2024-42516	REPORT
	https://httpd.apache.org/security/vulnerabilities…	REPORT
	https://httpd.apache.org/security/vulnerabilities…	REPORT
	https://ubuntu.com/security/notices/USN-7639-1	ADVISORY
	https://ubuntu.com/security/notices/USN-7639-2	ADVISORY
	https://ubuntu.com/security/notices/USN-8338-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.7-1ubuntu4.22+esm12"
          },
          {
            "binary_name": "apache2-bin",
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          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.7-1ubuntu4.22+esm12"
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          {
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            "binary_version": "2.4.7-1ubuntu4.22+esm12"
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          {
            "binary_name": "apache2-mpm-prefork",
            "binary_version": "2.4.7-1ubuntu4.22+esm12"
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          {
            "binary_name": "apache2-mpm-worker",
            "binary_version": "2.4.7-1ubuntu4.22+esm12"
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            "binary_name": "apache2-suexec",
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          },
          {
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          },
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          {
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            "binary_version": "2.4.7-1ubuntu4.22+esm12"
          },
          {
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            "binary_version": "1:2.4.7-1ubuntu4.22+esm12"
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        "2.4.7-1ubuntu4",
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        "2.4.7-1ubuntu4.5",
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        "2.4.7-1ubuntu4.7",
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        "2.4.7-1ubuntu4.9",
        "2.4.7-1ubuntu4.10",
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        "2.4.7-1ubuntu4.16",
        "2.4.7-1ubuntu4.17",
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        "2.4.7-1ubuntu4.22",
        "2.4.7-1ubuntu4.22+esm1",
        "2.4.7-1ubuntu4.22+esm2",
        "2.4.7-1ubuntu4.22+esm3",
        "2.4.7-1ubuntu4.22+esm4",
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        "2.4.7-1ubuntu4.22+esm9",
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    {
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        "2.4.18-2ubuntu1",
        "2.4.18-2ubuntu2",
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        "2.4.18-2ubuntu3.1",
        "2.4.18-2ubuntu3.2",
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        "2.4.18-2ubuntu3.14",
        "2.4.18-2ubuntu3.15",
        "2.4.18-2ubuntu3.17",
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        "2.4.18-2ubuntu3.17+esm2",
        "2.4.18-2ubuntu3.17+esm3",
        "2.4.18-2ubuntu3.17+esm4",
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        "2.4.18-2ubuntu3.17+esm7",
        "2.4.18-2ubuntu3.17+esm8",
        "2.4.18-2ubuntu3.17+esm9",
        "2.4.18-2ubuntu3.17+esm10",
        "2.4.18-2ubuntu3.17+esm11",
        "2.4.18-2ubuntu3.17+esm12",
        "2.4.18-2ubuntu3.17+esm13",
        "2.4.18-2ubuntu3.17+esm14"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "apache2",
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          },
          {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.29-1ubuntu4.27+esm6"
          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.29-1ubuntu4.27+esm6"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.29-1ubuntu4.27+esm6"
          },
          {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.29-1ubuntu4.27+esm6"
          },
          {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.29-1ubuntu4.27+esm6"
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.27+esm6?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.29-1ubuntu4.27+esm6"
            }
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "2.4.29-1ubuntu1",
        "2.4.29-1ubuntu2",
        "2.4.29-1ubuntu3",
        "2.4.29-1ubuntu4",
        "2.4.29-1ubuntu4.1",
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        "2.4.29-1ubuntu4.3",
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        "2.4.29-1ubuntu4.8",
        "2.4.29-1ubuntu4.10",
        "2.4.29-1ubuntu4.11",
        "2.4.29-1ubuntu4.12",
        "2.4.29-1ubuntu4.13",
        "2.4.29-1ubuntu4.14",
        "2.4.29-1ubuntu4.16",
        "2.4.29-1ubuntu4.17",
        "2.4.29-1ubuntu4.18",
        "2.4.29-1ubuntu4.19",
        "2.4.29-1ubuntu4.20",
        "2.4.29-1ubuntu4.21",
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        "2.4.29-1ubuntu4.23",
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        "2.4.29-1ubuntu4.27+esm3",
        "2.4.29-1ubuntu4.27+esm4"
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    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
          },
          {
            "binary_name": "apache2-bin",
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          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
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            "binary_name": "apache2-suexec-pristine",
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          {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
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          {
            "binary_name": "libapache2-mod-md",
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            "binary_name": "libapache2-mod-proxy-uwsgi",
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      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "apache2",
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        "2.4.41-4ubuntu1",
        "2.4.41-4ubuntu2",
        "2.4.41-4ubuntu3",
        "2.4.41-4ubuntu3.1",
        "2.4.41-4ubuntu3.3",
        "2.4.41-4ubuntu3.4",
        "2.4.41-4ubuntu3.5",
        "2.4.41-4ubuntu3.6",
        "2.4.41-4ubuntu3.7",
        "2.4.41-4ubuntu3.8",
        "2.4.41-4ubuntu3.9",
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        "2.4.41-4ubuntu3.12",
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        "2.4.41-4ubuntu3.17",
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        "2.4.41-4ubuntu3.20",
        "2.4.41-4ubuntu3.21",
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    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
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          {
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          },
          {
            "binary_name": "apache2-bin",
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          {
            "binary_name": "apache2-data",
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            "binary_name": "libapache2-mod-proxy-uwsgi",
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    },
    {
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            "binary_name": "apache2",
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          {
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          {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.58-1ubuntu8.7"
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          {
            "binary_name": "libapache2-mod-proxy-uwsgi",
            "binary_version": "2.4.58-1ubuntu8.7"
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "apache2",
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      ],
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        "2.4.57-2ubuntu2",
        "2.4.57-2ubuntu3",
        "2.4.58-1ubuntu1",
        "2.4.58-1ubuntu2",
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        "2.4.58-1ubuntu7",
        "2.4.58-1ubuntu8",
        "2.4.58-1ubuntu8.1",
        "2.4.58-1ubuntu8.2",
        "2.4.58-1ubuntu8.3",
        "2.4.58-1ubuntu8.4",
        "2.4.58-1ubuntu8.5",
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    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.64-1ubuntu2"
          },
          {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.64-1ubuntu2"
          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.64-1ubuntu2"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.64-1ubuntu2"
          },
          {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.64-1ubuntu2"
          },
          {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.64-1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.64-1ubuntu2?arch=source\u0026distro=questing"
      },
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.63-1ubuntu1",
        "2.4.63-1ubuntu3"
      ]
    }
  ],
  "aliases": [],
  "details": "HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response. This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue. Users are recommended to upgrade to version 2.4.64, which fixes this issue.",
  "id": "UBUNTU-CVE-2024-42516",
  "modified": "2026-05-29T10:27:31Z",
  "published": "2025-07-10T17:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-42516"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-42516"
    },
    {
      "type": "REPORT",
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2024-42516"
    },
    {
      "type": "REPORT",
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7639-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7639-2"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8338-1"
    }
  ],
  "related": [
    "USN-7639-1",
    "USN-7639-2",
    "USN-8338-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-42516"
  ]
}

CVE-2024-42516 (GCVE-0-2024-42516)

Vulnerability from cvelistv5 – Published: 2025-07-10 16:53 – Updated: 2025-11-04 21:08

Title

Apache HTTP Server: HTTP response splitting

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation

Assigner

apache

References

4 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
https://lists.debian.org/debian-lts-announce/2025…
http://www.openwall.com/lists/oss-security/2025/07/10/2
http://www.openwall.com/lists/oss-security/2025/07/10/3

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 2.4.0 , ≤ 2.4.63 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-42516",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-11T16:07:07.391732Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-15T19:56:51.797Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T21:08:46.021Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
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            "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/07/10/2"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/07/10/3"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache HTTP Server",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.4.63",
              "status": "affected",
              "version": "2.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
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              "base64": false,
              "type": "text/html",
              "value": "HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response.\u003cbr\u003e\u003cbr\u003eThis vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue.\u003cbr\u003e\u003cbr\u003eUsers are recommended to upgrade to version 2.4.64, which fixes this issue."
            }
          ],
          "value": "HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response.\n\nThis vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue.\n\nUsers are recommended to upgrade to version 2.4.64, which fixes this issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "moderate"
            },
            "type": "Textual description of severity"
          }
        }
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-10T16:53:13.201Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2024-07-18T12:00:00.000Z",
          "value": "reported"
        }
      ],
      "title": "Apache HTTP Server: HTTP response splitting",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2024-42516",
    "datePublished": "2025-07-10T16:53:13.201Z",
    "dateReserved": "2024-08-03T18:37:28.141Z",
    "dateUpdated": "2025-11-04T21:08:46.021Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

usn-7639-1

Vulnerability from osv_ubuntu

Published

2025-07-16 17:25

Modified

2026-04-27 14:11

Summary

apache2 vulnerabilities

Details

It was discovered that the Apache HTTP Server incorrectly handled certain Content-Type response headers. A remote attacker could possibly use this issue to perform HTTP response splitting attacks. (CVE-2024-42516)

xiaojunjie discovered that the Apache HTTP Server mod_proxy module incorrectly handled certain requests. A remote attacker could possibly use this issue to send outbound proxy requests to an arbitrary URL. (CVE-2024-43204)

John Runyon discovered that the Apache HTTP Server mod_ssl module incorrectly escaped certain data. A remote attacker could possibly use this issue to insert escape characters into log files. (CVE-2024-47252)

Sven Hebrok, Felix Cramer, Tim Storm, Maximilian Radoy, and Juraj Somorovsky discovered that the Apache HTTP Server mod_ssl module incorrectly handled TLS 1.3 session resumption. A remote attacker could possibly use this issue to bypass access control. (CVE-2025-23048)

Anthony CORSIEZ discovered that the Apache HTTP Server mod_proxy_http2 module incorrectly handled missing host headers. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2025-49630)

Robert Merget discovered that the Apache HTTP Server mod_ssl module incorrectly handled TLS upgrades. A remote attacker could possibly use this issue to hijack an HTTP session. This update removes the old "SSLEngine optional" configuration option, possibly requiring a configuration change in certain environments. (CVE-2025-49812)

Gal Bar Nahum discovered that the Apache HTTP Server incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause the server to consume resources, leading to a denial of service. (CVE-2025-53020)

References

URL

Type

	https://ubuntu.com/security/notices/USN-7639-1	ADVISORY
	https://ubuntu.com/security/CVE-2024-42516	REPORT
	https://ubuntu.com/security/CVE-2024-43204	REPORT
	https://ubuntu.com/security/CVE-2024-47252	REPORT
	https://ubuntu.com/security/CVE-2025-23048	REPORT
	https://ubuntu.com/security/CVE-2025-49630	REPORT
	https://ubuntu.com/security/CVE-2025-49812	REPORT
	https://ubuntu.com/security/CVE-2025-53020	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-42516",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-43204",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-47252",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-23048",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49630",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49812",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-53020",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.52-1ubuntu4.15"
          },
          {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.52-1ubuntu4.15"
          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.52-1ubuntu4.15"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.52-1ubuntu4.15"
          },
          {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.52-1ubuntu4.15"
          },
          {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.52-1ubuntu4.15"
          },
          {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.52-1ubuntu4.15"
          },
          {
            "binary_name": "libapache2-mod-proxy-uwsgi",
            "binary_version": "2.4.52-1ubuntu4.15"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.15?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.52-1ubuntu4.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.48-3.1ubuntu3",
        "2.4.48-3.1ubuntu4",
        "2.4.51-2ubuntu1",
        "2.4.52-1ubuntu1",
        "2.4.52-1ubuntu2",
        "2.4.52-1ubuntu4",
        "2.4.52-1ubuntu4.1",
        "2.4.52-1ubuntu4.2",
        "2.4.52-1ubuntu4.3",
        "2.4.52-1ubuntu4.4",
        "2.4.52-1ubuntu4.5",
        "2.4.52-1ubuntu4.6",
        "2.4.52-1ubuntu4.7",
        "2.4.52-1ubuntu4.8",
        "2.4.52-1ubuntu4.9",
        "2.4.52-1ubuntu4.10",
        "2.4.52-1ubuntu4.11",
        "2.4.52-1ubuntu4.12",
        "2.4.52-1ubuntu4.13",
        "2.4.52-1ubuntu4.14"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-42516",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-43204",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-47252",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-23048",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49630",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49812",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-53020",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.58-1ubuntu8.7"
          },
          {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.58-1ubuntu8.7"
          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.58-1ubuntu8.7"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.58-1ubuntu8.7"
          },
          {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.58-1ubuntu8.7"
          },
          {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.58-1ubuntu8.7"
          },
          {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.58-1ubuntu8.7"
          },
          {
            "binary_name": "libapache2-mod-proxy-uwsgi",
            "binary_version": "2.4.58-1ubuntu8.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.58-1ubuntu8.7?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.58-1ubuntu8.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.57-2ubuntu2",
        "2.4.57-2ubuntu3",
        "2.4.58-1ubuntu1",
        "2.4.58-1ubuntu2",
        "2.4.58-1ubuntu6",
        "2.4.58-1ubuntu7",
        "2.4.58-1ubuntu8",
        "2.4.58-1ubuntu8.1",
        "2.4.58-1ubuntu8.2",
        "2.4.58-1ubuntu8.3",
        "2.4.58-1ubuntu8.4",
        "2.4.58-1ubuntu8.5",
        "2.4.58-1ubuntu8.6"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that the Apache HTTP Server incorrectly handled certain\nContent-Type response headers. A remote attacker could possibly use this\nissue to perform HTTP response splitting attacks. (CVE-2024-42516)\n\nxiaojunjie discovered that the Apache HTTP Server mod_proxy module\nincorrectly handled certain requests. A remote attacker could possibly use\nthis issue to send outbound proxy requests to an arbitrary URL.\n(CVE-2024-43204)\n\nJohn Runyon discovered that the Apache HTTP Server mod_ssl module\nincorrectly escaped certain data. A remote attacker could possibly use this\nissue to insert escape characters into log files. (CVE-2024-47252)\n\nSven Hebrok, Felix Cramer, Tim Storm, Maximilian Radoy, and Juraj\nSomorovsky discovered that the Apache HTTP Server mod_ssl module\nincorrectly handled TLS 1.3 session resumption. A remote attacker could\npossibly use this issue to bypass access control. (CVE-2025-23048)\n\nAnthony CORSIEZ discovered that the Apache HTTP Server mod_proxy_http2\nmodule incorrectly handled missing host headers. A remote attacker could\npossibly use this issue to cause the server to crash, resulting in a denial\nof service. (CVE-2025-49630)\n\nRobert Merget discovered that the Apache HTTP Server mod_ssl module\nincorrectly handled TLS upgrades. A remote attacker could possibly use this\nissue to hijack an HTTP session. This update removes the old \"SSLEngine\noptional\" configuration option, possibly requiring a configuration change\nin certain environments. (CVE-2025-49812)\n\nGal Bar Nahum discovered that the Apache HTTP Server incorrectly handled\ncertain memory operations. A remote attacker could possibly use this\nissue to cause the server to consume resources, leading to a denial of\nservice. (CVE-2025-53020)",
  "id": "USN-7639-1",
  "modified": "2026-04-27T14:11:44Z",
  "published": "2025-07-16T17:25:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7639-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-42516"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-43204"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-47252"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-23048"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-49630"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-49812"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-53020"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "apache2 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2024-42516",
    "UBUNTU-CVE-2024-43204",
    "UBUNTU-CVE-2024-47252",
    "UBUNTU-CVE-2025-23048",
    "UBUNTU-CVE-2025-49630",
    "UBUNTU-CVE-2025-49812",
    "UBUNTU-CVE-2025-53020"
  ]
}

usn-7639-2

Vulnerability from osv_ubuntu

Published

2025-08-19 10:40

Modified

2026-06-25 10:46

Summary

apache2 vulnerabilities

Details

USN-7639-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and addressed a regression fix (LP: #2119395). CVE-2025-49630 and CVE-2025-53020 only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

Original advisory details:

References

URL

Type

	https://ubuntu.com/security/notices/USN-7639-2	ADVISORY
	https://ubuntu.com/security/CVE-2024-42516	REPORT
	https://ubuntu.com/security/CVE-2024-43204	REPORT
	https://ubuntu.com/security/CVE-2024-47252	REPORT
	https://ubuntu.com/security/CVE-2025-23048	REPORT
	https://ubuntu.com/security/CVE-2025-49630	REPORT
	https://ubuntu.com/security/CVE-2025-49812	REPORT
	https://ubuntu.com/security/CVE-2025-53020	REPORT
	https://launchpad.net/bugs/2119395	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-42516",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-43204",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-47252",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-23048",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49812",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-53020",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
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                {
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              "severity": [
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                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
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              "id": "CVE-2025-23048",
              "severity": [
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                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49630",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49812",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-53020",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
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                }
              ]
            }
          ],
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        }
      },
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.27+esm6?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.29-1ubuntu4.27+esm6"
            }
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "2.4.29-1ubuntu1",
        "2.4.29-1ubuntu2",
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        "2.4.29-1ubuntu4.3",
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        "2.4.29-1ubuntu4.5",
        "2.4.29-1ubuntu4.6",
        "2.4.29-1ubuntu4.7",
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        "2.4.29-1ubuntu4.17",
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        "2.4.29-1ubuntu4.20",
        "2.4.29-1ubuntu4.21",
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        "2.4.29-1ubuntu4.27+esm3",
        "2.4.29-1ubuntu4.27+esm4"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-42516",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-43204",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-47252",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-23048",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49630",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-49812",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-53020",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "apache2",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
          },
          {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
          },
          {
            "binary_name": "apache2-data",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
          },
          {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
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          {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
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          {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.41-4ubuntu3.23+esm2"
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        "2.4.41-4ubuntu1",
        "2.4.41-4ubuntu2",
        "2.4.41-4ubuntu3",
        "2.4.41-4ubuntu3.1",
        "2.4.41-4ubuntu3.3",
        "2.4.41-4ubuntu3.4",
        "2.4.41-4ubuntu3.5",
        "2.4.41-4ubuntu3.6",
        "2.4.41-4ubuntu3.7",
        "2.4.41-4ubuntu3.8",
        "2.4.41-4ubuntu3.9",
        "2.4.41-4ubuntu3.10",
        "2.4.41-4ubuntu3.11",
        "2.4.41-4ubuntu3.12",
        "2.4.41-4ubuntu3.13",
        "2.4.41-4ubuntu3.14",
        "2.4.41-4ubuntu3.15",
        "2.4.41-4ubuntu3.16",
        "2.4.41-4ubuntu3.17",
        "2.4.41-4ubuntu3.19",
        "2.4.41-4ubuntu3.20",
        "2.4.41-4ubuntu3.21",
        "2.4.41-4ubuntu3.23"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-7639-1 fixed several vulnerabilities in Apache. This update\nprovides the corresponding update for Ubuntu 16.04 LTS, Ubuntu\n18.04 LTS, Ubuntu 20.04 LTS, and addressed a regression\nfix (LP: #2119395). CVE-2025-49630 and CVE-2025-53020 only\naffected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that the Apache HTTP Server incorrectly handled\n certain Content-Type response headers. A remote attacker could\n possibly use this issue to perform HTTP response splitting attacks.\n (CVE-2024-42516)\n\n xiaojunjie discovered that the Apache HTTP Server mod_proxy module\n incorrectly handled certain requests. A remote attacker could\n possibly use this issue to send outbound proxy requests to an\n arbitrary URL. (CVE-2024-43204)\n\n John Runyon discovered that the Apache HTTP Server mod_ssl module\n incorrectly escaped certain data. A remote attacker could possibly\n use this issue to insert escape characters into log files.\n (CVE-2024-47252)\n\n Sven Hebrok, Felix Cramer, Tim Storm, Maximilian Radoy, and Juraj\n Somorovsky discovered that the Apache HTTP Server mod_ssl module\n incorrectly handled TLS 1.3 session resumption. A remote attacker\n could possibly use this issue to bypass access control. (CVE-2025-23048)\n\n Anthony CORSIEZ discovered that the Apache HTTP Server mod_proxy_http2\n module incorrectly handled missing host headers. A remote attacker\n could possibly use this issue to cause the server to crash, resulting\n in a denial of service. (CVE-2025-49630)\n\n Robert Merget discovered that the Apache HTTP Server mod_ssl module\n incorrectly handled TLS upgrades. A remote attacker could possibly\n use this issue to hijack an HTTP session. This update removes the\n old \"SSLEngine optional\" configuration option, possibly requiring\n a configuration change in certain environments. (CVE-2025-49812)\n\n Gal Bar Nahum discovered that the Apache HTTP Server incorrectly\n handled certain memory operations. A remote attacker could possibly\n use this issue to cause the server to consume resources, leading\n to a denial of service. (CVE-2025-53020)\n",
  "id": "USN-7639-2",
  "modified": "2026-06-25T10:46:53Z",
  "published": "2025-08-19T10:40:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7639-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-42516"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-43204"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-47252"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-23048"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-49630"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-49812"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-53020"
    },
    {
      "type": "REPORT",
      "url": "https://launchpad.net/bugs/2119395"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "apache2 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2024-42516",
    "UBUNTU-CVE-2024-43204",
    "UBUNTU-CVE-2024-47252",
    "UBUNTU-CVE-2025-23048",
    "UBUNTU-CVE-2025-49630",
    "UBUNTU-CVE-2025-49812",
    "UBUNTU-CVE-2025-53020"
  ]
}

usn-8338-1

Vulnerability from osv_ubuntu

Published

2026-05-28 14:51

Modified

2026-05-28 14:51

Summary

apache2 vulnerabilities

Details

It was discovered that Apache HTTP Server incorrectly handled certain response headers. An attacker could possibly use this issue to perform HTTP response splitting attacks. This issue only affected Ubuntu 14.04 LTS. (CVE-2023-38709)

Will Dormann and David Warren discovered that Apache HTTP Server's HTTP/2 implementation did not properly reclaim memory when streams were reset by clients. A remote attacker could possibly use this issue to cause Apache HTTP Server to consume resources, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2023-45802)

Keran Mu and Jianjun Chen discovered that Apache HTTP Server incorrectly handled certain response headers. An attacker could possibly use this issue to perform HTTP response splitting attacks. This issue only affected Ubuntu 14.04 LTS. (CVE-2024-24795)

Orange Tsai discovered that Apache HTTP Server mod_proxy incorrectly handled URL encoding. A remote attacker could possibly use this issue to bypass authentication via crafted requests. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2024-38473)

Orange Tsai discovered that Apache HTTP Server could be caused to perform server-side request forgery (SSRF) via malicious backend response headers. A remote attacker could possibly use this issue to conduct SSRF attacks or disclose sensitive information. This issue only affected Ubuntu 14.04 LTS. (CVE-2024-38476)

Orange Tsai discovered that Apache HTTP Server mod_proxy did not properly handle certain null pointer conditions. A remote attacker could possibly use this issue to cause Apache HTTP Server to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2024-38477)

Orange Tsai discovered that Apache HTTP Server mod_rewrite could be made to perform server-side request forgery (SSRF) via unsafe RewriteRules. A remote attacker could possibly use this issue to conduct SSRF attacks. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2024-39573)

It was discovered that Apache HTTP Server could be caused to perform server-side request forgery (SSRF) via mod_headers modifying Content-Type headers. A remote attacker could possibly use this issue to conduct SSRF attacks. This issue only affected Ubuntu 14.04 LTS. (CVE-2024-43204)

John Runyon discovered that Apache HTTP Server mod_ssl did not properly escape user-supplied data before writing log entries. A remote attacker could possibly use this issue to insert escape sequences into log files. This issue only affected Ubuntu 14.04 LTS. (CVE-2024-47252)

Robert Merget discovered that Apache HTTP Server with SSLEngine optional was vulnerable to HTTP desynchronisation attacks. An attacker in a privileged network position could possibly use this issue to hijack HTTP sessions. This issue only affected Ubuntu 14.04 LTS. (CVE-2025-49812)

It was discovered that Apache HTTP Server mod_md had an integer overflow in the ACME certificate renewal backoff timer. An attacker could possibly use this issue to cause excessive certificate renewal requests. This issue only affected Ubuntu 20.04 LTS. (CVE-2025-55753)

Anthony Parfenov discovered that Apache HTTP Server with SSI enabled and mod_cgid passed shell-escaped query strings to #exec cmd directives. A remote attacker could possibly use this issue to perform command injection. (CVE-2025-58098)

Mattias Åsander discovered that Apache HTTP Server incorrectly gave precedence to environment variables from HTTP headers over server-calculated CGI variables. A remote attacker could possibly use this issue to influence the environment of CGI programs. (CVE-2025-65082)

Mattias Åsander discovered that Apache HTTP Server mod_userdir with suexec could be caused to run CGI scripts under an unexpected user ID via RequestHeader directives in .htaccess files. An attacker with .htaccess write access could possibly use this issue to bypass suexec user restrictions. (CVE-2025-66200)

References

URL

Type

	https://ubuntu.com/security/notices/USN-8338-1	ADVISORY
	https://ubuntu.com/security/CVE-2023-38709	REPORT
	https://ubuntu.com/security/CVE-2023-45802	REPORT
	https://ubuntu.com/security/CVE-2024-24795	REPORT
	https://ubuntu.com/security/CVE-2024-38473	REPORT
	https://ubuntu.com/security/CVE-2024-38476	REPORT
	https://ubuntu.com/security/CVE-2024-38477	REPORT
	https://ubuntu.com/security/CVE-2024-39573	REPORT
	https://ubuntu.com/security/CVE-2024-42516	REPORT
	https://ubuntu.com/security/CVE-2024-43204	REPORT
	https://ubuntu.com/security/CVE-2024-47252	REPORT
	https://ubuntu.com/security/CVE-2025-49812	REPORT
	https://ubuntu.com/security/CVE-2025-55753	REPORT
	https://ubuntu.com/security/CVE-2025-58098	REPORT
	https://ubuntu.com/security/CVE-2025-65082	REPORT
	https://ubuntu.com/security/CVE-2025-66200	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
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        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "apache2",
        "purl": "pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.23+esm3?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.41-4ubuntu3.23+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.41-1ubuntu1",
        "2.4.41-4ubuntu1",
        "2.4.41-4ubuntu2",
        "2.4.41-4ubuntu3",
        "2.4.41-4ubuntu3.1",
        "2.4.41-4ubuntu3.3",
        "2.4.41-4ubuntu3.4",
        "2.4.41-4ubuntu3.5",
        "2.4.41-4ubuntu3.6",
        "2.4.41-4ubuntu3.7",
        "2.4.41-4ubuntu3.8",
        "2.4.41-4ubuntu3.9",
        "2.4.41-4ubuntu3.10",
        "2.4.41-4ubuntu3.11",
        "2.4.41-4ubuntu3.12",
        "2.4.41-4ubuntu3.13",
        "2.4.41-4ubuntu3.14",
        "2.4.41-4ubuntu3.15",
        "2.4.41-4ubuntu3.16",
        "2.4.41-4ubuntu3.17",
        "2.4.41-4ubuntu3.19",
        "2.4.41-4ubuntu3.20",
        "2.4.41-4ubuntu3.21",
        "2.4.41-4ubuntu3.23",
        "2.4.41-4ubuntu3.23+esm2"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Apache HTTP Server incorrectly handled certain\nresponse headers. An attacker could possibly use this issue to perform\nHTTP response splitting attacks. This issue only affected Ubuntu 14.04\nLTS. (CVE-2023-38709)\n\nWill Dormann and David Warren discovered that Apache HTTP Server\u0027s HTTP/2\nimplementation did not properly reclaim memory when streams were reset by\nclients. A remote attacker could possibly use this issue to cause Apache\nHTTP Server to consume resources, leading to a denial of service. This\nissue only affected Ubuntu 18.04 LTS. (CVE-2023-45802)\n\nKeran Mu and Jianjun Chen discovered that Apache HTTP Server incorrectly\nhandled certain response headers. An attacker could possibly use this issue\nto perform HTTP response splitting attacks. This issue only affected Ubuntu\n14.04 LTS. (CVE-2024-24795)\n\nOrange Tsai discovered that Apache HTTP Server mod_proxy incorrectly\nhandled URL encoding. A remote attacker could possibly use this issue to\nbypass authentication via crafted requests. This issue only affected\nUbuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2024-38473)\n\nOrange Tsai discovered that Apache HTTP Server could be caused to perform\nserver-side request forgery (SSRF) via malicious backend response headers.\nA remote attacker could possibly use this issue to conduct SSRF attacks or\ndisclose sensitive information. This issue only affected Ubuntu 14.04 LTS.\n(CVE-2024-38476)\n\nOrange Tsai discovered that Apache HTTP Server mod_proxy did not properly\nhandle certain null pointer conditions. A remote attacker could possibly use this\nissue to cause Apache HTTP Server to crash, resulting in a denial of\nservice. This issue only affected Ubuntu 14.04 LTS. (CVE-2024-38477)\n\nOrange Tsai discovered that Apache HTTP Server mod_rewrite could be made\nto perform server-side request forgery (SSRF) via unsafe RewriteRules. A\nremote attacker could possibly use this issue to conduct SSRF attacks. This\nissue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2024-39573)\n\nIt was discovered that Apache HTTP Server incorrectly handled certain\nresponse headers. An attacker could possibly use this issue to perform\nHTTP response splitting attacks. This issue only affected Ubuntu 14.04 LTS.\n(CVE-2024-42516)\n\nIt was discovered that Apache HTTP Server could be caused to perform\nserver-side request forgery (SSRF) via mod_headers modifying Content-Type\nheaders. A remote attacker could possibly use this issue to conduct SSRF\nattacks. This issue only affected Ubuntu 14.04 LTS. (CVE-2024-43204)\n\nJohn Runyon discovered that Apache HTTP Server mod_ssl did not properly\nescape user-supplied data before writing log entries. A remote attacker\ncould possibly use this issue to insert escape sequences into log files.\nThis issue only affected Ubuntu 14.04 LTS. (CVE-2024-47252)\n\nRobert Merget discovered that Apache HTTP Server with SSLEngine optional was\nvulnerable to HTTP desynchronisation attacks. An attacker in a privileged\nnetwork position could possibly use this issue to hijack HTTP sessions. This issue\nonly affected Ubuntu 14.04 LTS. (CVE-2025-49812)\n\nIt was discovered that Apache HTTP Server mod_md had an integer overflow in\nthe ACME certificate renewal backoff timer. An attacker could possibly use\nthis issue to cause excessive certificate renewal requests. This issue only\naffected Ubuntu 20.04 LTS. (CVE-2025-55753)\n\nAnthony Parfenov discovered that Apache HTTP Server with SSI enabled and\nmod_cgid passed shell-escaped query strings to #exec cmd directives. A\nremote attacker could possibly use this issue to perform command injection.\n(CVE-2025-58098)\n\nMattias \u00c5sander discovered that Apache HTTP Server incorrectly gave\nprecedence to environment variables from HTTP headers over server-calculated\nCGI variables. A remote attacker could possibly use this issue to influence\nthe environment of CGI programs. (CVE-2025-65082)\n\nMattias \u00c5sander discovered that Apache HTTP Server mod_userdir with suexec\ncould be caused to run CGI scripts under an unexpected user ID via\nRequestHeader directives in .htaccess files. An attacker with .htaccess\nwrite access could possibly use this issue to bypass suexec user restrictions.\n(CVE-2025-66200)",
  "id": "USN-8338-1",
  "modified": "2026-05-28T14:51:58Z",
  "published": "2026-05-28T14:51:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8338-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-38709"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-45802"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-24795"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-38473"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-38476"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-38477"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-39573"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-42516"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-43204"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-47252"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-49812"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-55753"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-58098"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-65082"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-66200"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "apache2 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-38709",
    "UBUNTU-CVE-2023-45802",
    "UBUNTU-CVE-2024-24795",
    "UBUNTU-CVE-2024-38473",
    "UBUNTU-CVE-2024-38476",
    "UBUNTU-CVE-2024-38477",
    "UBUNTU-CVE-2024-39573",
    "UBUNTU-CVE-2024-42516",
    "UBUNTU-CVE-2024-43204",
    "UBUNTU-CVE-2024-47252",
    "UBUNTU-CVE-2025-49812",
    "UBUNTU-CVE-2025-55753",
    "UBUNTU-CVE-2025-58098",
    "UBUNTU-CVE-2025-65082",
    "UBUNTU-CVE-2025-66200"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2024-42516

Vulnerability from osv_ubuntu

CVE-2024-42516 (GCVE-0-2024-42516)

usn-7639-1

Vulnerability from osv_ubuntu

usn-7639-2

Vulnerability from osv_ubuntu

usn-8338-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature