Vulnerability-Lookup

ubuntu-cve-2025-54574

Vulnerability from osv_ubuntu

Published

2025-08-01 18:15

Modified

2025-11-05 05:18

Summary

Details

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access permissions.

Severity

9.3 (Critical)


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

9.8 (Critical)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2025-54574	REPORT
	https://www.cve.org/CVERecord?id=CVE-2025-54574	REPORT
	https://github.com/squid-cache/squid/security/adv…	REPORT
	https://github.com/squid-cache/squid/releases/tag…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squid3",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "3.5.12-1ubuntu7.16+esm6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "squid3",
        "purl": "pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.16+esm6?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.8-1ubuntu16",
        "3.3.8-1ubuntu17",
        "3.5.12-1ubuntu6",
        "3.5.12-1ubuntu7",
        "3.5.12-1ubuntu7.1",
        "3.5.12-1ubuntu7.2",
        "3.5.12-1ubuntu7.3",
        "3.5.12-1ubuntu7.4",
        "3.5.12-1ubuntu7.5",
        "3.5.12-1ubuntu7.6",
        "3.5.12-1ubuntu7.7",
        "3.5.12-1ubuntu7.8",
        "3.5.12-1ubuntu7.9",
        "3.5.12-1ubuntu7.10",
        "3.5.12-1ubuntu7.11",
        "3.5.12-1ubuntu7.12",
        "3.5.12-1ubuntu7.13",
        "3.5.12-1ubuntu7.14",
        "3.5.12-1ubuntu7.15",
        "3.5.12-1ubuntu7.16",
        "3.5.12-1ubuntu7.16+esm1",
        "3.5.12-1ubuntu7.16+esm2",
        "3.5.12-1ubuntu7.16+esm3",
        "3.5.12-1ubuntu7.16+esm4",
        "3.5.12-1ubuntu7.16+esm5",
        "3.5.12-1ubuntu7.16+esm6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squid3",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "3.5.27-1ubuntu1.14+esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "squid3",
        "purl": "pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.14+esm5?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.5.23-5ubuntu1",
        "3.5.23-5ubuntu2",
        "3.5.27-1ubuntu1",
        "3.5.27-1ubuntu1.1",
        "3.5.27-1ubuntu1.2",
        "3.5.27-1ubuntu1.3",
        "3.5.27-1ubuntu1.4",
        "3.5.27-1ubuntu1.5",
        "3.5.27-1ubuntu1.6",
        "3.5.27-1ubuntu1.7",
        "3.5.27-1ubuntu1.8",
        "3.5.27-1ubuntu1.9",
        "3.5.27-1ubuntu1.10",
        "3.5.27-1ubuntu1.11",
        "3.5.27-1ubuntu1.12",
        "3.5.27-1ubuntu1.13",
        "3.5.27-1ubuntu1.14",
        "3.5.27-1ubuntu1.14+esm1",
        "3.5.27-1ubuntu1.14+esm2",
        "3.5.27-1ubuntu1.14+esm3",
        "3.5.27-1ubuntu1.14+esm4",
        "3.5.27-1ubuntu1.14+esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "4.10-1ubuntu1.12"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "4.10-1ubuntu1.12"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "4.10-1ubuntu1.12"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "4.10-1ubuntu1.12"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "4.10-1ubuntu1.12"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "squid",
        "purl": "pkg:deb/ubuntu/squid@4.10-1ubuntu1.12?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.10-1ubuntu1.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.8-1ubuntu2",
        "4.8-1ubuntu3",
        "4.9-2ubuntu1",
        "4.9-2ubuntu2",
        "4.9-2ubuntu3",
        "4.9-2ubuntu4",
        "4.10-1ubuntu1",
        "4.10-1ubuntu1.1",
        "4.10-1ubuntu1.2",
        "4.10-1ubuntu1.3",
        "4.10-1ubuntu1.4",
        "4.10-1ubuntu1.5",
        "4.10-1ubuntu1.6",
        "4.10-1ubuntu1.7",
        "4.10-1ubuntu1.8",
        "4.10-1ubuntu1.9",
        "4.10-1ubuntu1.10",
        "4.10-1ubuntu1.11"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "squid",
            "binary_version": "5.7-0ubuntu0.22.04.4"
          },
          {
            "binary_name": "squid-cgi",
            "binary_version": "5.7-0ubuntu0.22.04.4"
          },
          {
            "binary_name": "squid-common",
            "binary_version": "5.7-0ubuntu0.22.04.4"
          },
          {
            "binary_name": "squid-openssl",
            "binary_version": "5.7-0ubuntu0.22.04.4"
          },
          {
            "binary_name": "squid-purge",
            "binary_version": "5.7-0ubuntu0.22.04.4"
          },
          {
            "binary_name": "squidclient",
            "binary_version": "5.7-0ubuntu0.22.04.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "squid",
        "purl": "pkg:deb/ubuntu/squid@5.7-0ubuntu0.22.04.4?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.7-0ubuntu0.22.04.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.13-10ubuntu5",
        "5.2-1ubuntu1",
        "5.2-1ubuntu3",
        "5.2-1ubuntu4",
        "5.2-1ubuntu4.1",
        "5.2-1ubuntu4.2",
        "5.2-1ubuntu4.3",
        "5.7-0ubuntu0.22.04.1",
        "5.7-0ubuntu0.22.04.2",
        "5.7-0ubuntu0.22.04.3"
      ]
    }
  ],
  "aliases": [],
  "details": "Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access permissions.",
  "id": "UBUNTU-CVE-2025-54574",
  "modified": "2025-11-05T05:18:40Z",
  "published": "2025-08-01T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-54574"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-54574"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-w4gv-vw3f-29g3"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/squid-cache/squid/releases/tag/SQUID_6_4"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-54574"
  ]
}

CVE-2025-54574 (GCVE-0-2025-54574)

Vulnerability from cvelistv5 – Published: 2025-08-01 18:02 – Updated: 2025-11-05 17:04

Title

Squid's URN Handling can lead to Buffer Overflow

Summary

Severity

9.3 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

GitHub_M

References

5 references

URL	Tags
https://github.com/squid-cache/squid/security/adv…	x_refsource_CONFIRM
https://github.com/squid-cache/squid/commit/a27bf…	x_refsource_MISC
https://github.com/squid-cache/squid/releases/tag…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2025…
http://www.openwall.com/lists/oss-security/2025/11/05/5

Impacted products

1 product

Vendor	Product	Version
squid-cache	squid	Affected: < 6.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-54574",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-01T18:43:36.203492Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-01T18:43:46.346Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-05T17:04:21.087Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00027.html"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/11/05/5"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "squid",
          "vendor": "squid-cache",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 6.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access permissions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122: Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-01T18:02:19.117Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-w4gv-vw3f-29g3",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-w4gv-vw3f-29g3"
        },
        {
          "name": "https://github.com/squid-cache/squid/commit/a27bf4b84da23594150c7a86a23435df0b35b988",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/squid-cache/squid/commit/a27bf4b84da23594150c7a86a23435df0b35b988"
        },
        {
          "name": "https://github.com/squid-cache/squid/releases/tag/SQUID_6_4",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/squid-cache/squid/releases/tag/SQUID_6_4"
        }
      ],
      "source": {
        "advisory": "GHSA-w4gv-vw3f-29g3",
        "discovery": "UNKNOWN"
      },
      "title": "Squid\u0027s URN Handling can lead to Buffer Overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-54574",
    "datePublished": "2025-08-01T18:02:19.117Z",
    "dateReserved": "2025-07-25T16:19:16.091Z",
    "dateUpdated": "2025-11-05T17:04:21.087Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

ubuntu-cve-2025-54574

Vulnerability from osv_ubuntu

CVE-2025-54574 (GCVE-0-2025-54574)

Tags

Sightings

Nomenclature