ubuntu-cve-2024-45506
Vulnerability from osv_ubuntu
Published
2024-09-04 15:15
Modified
2025-07-16 05:18
Summary
Details

HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service for HTTP/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as exploited in the wild in 2024.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "haproxy",
            "binary_version": "2.0.33-0ubuntu0.1"
          },
          {
            "binary_name": "haproxy-dbgsym",
            "binary_version": "2.0.33-0ubuntu0.1"
          },
          {
            "binary_name": "haproxy-doc",
            "binary_version": "2.0.33-0ubuntu0.1"
          },
          {
            "binary_name": "vim-haproxy",
            "binary_version": "2.0.33-0ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "haproxy",
        "purl": "pkg:deb/ubuntu/haproxy@2.0.33-0ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.33-0ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.5-1",
        "2.0.8-1",
        "2.0.9-1",
        "2.0.10-1",
        "2.0.10-1ubuntu1",
        "2.0.11-1ubuntu1",
        "2.0.12-1ubuntu2",
        "2.0.13-1ubuntu2",
        "2.0.13-2",
        "2.0.13-2ubuntu0.1",
        "2.0.13-2ubuntu0.2",
        "2.0.13-2ubuntu0.3",
        "2.0.13-2ubuntu0.5",
        "2.0.29-0ubuntu1",
        "2.0.29-0ubuntu1.1",
        "2.0.29-0ubuntu1.3",
        "2.0.31-0ubuntu0.1",
        "2.0.31-0ubuntu0.2",
        "2.0.31-0ubuntu0.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "haproxy",
            "binary_version": "2.4.24-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "haproxy-dbgsym",
            "binary_version": "2.4.24-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "haproxy-doc",
            "binary_version": "2.4.24-0ubuntu0.22.04.1"
          },
          {
            "binary_name": "vim-haproxy",
            "binary_version": "2.4.24-0ubuntu0.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "haproxy",
        "purl": "pkg:deb/ubuntu/haproxy@2.4.24-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.24-0ubuntu0.22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.9-2ubuntu2",
        "2.4.8-1",
        "2.4.8-2ubuntu3",
        "2.4.11-1ubuntu1",
        "2.4.12-1ubuntu1",
        "2.4.12-1ubuntu2",
        "2.4.13-1ubuntu1",
        "2.4.14-1ubuntu1",
        "2.4.18-0ubuntu1",
        "2.4.18-0ubuntu1.1",
        "2.4.18-0ubuntu1.2",
        "2.4.18-0ubuntu1.3",
        "2.4.22-0ubuntu0.22.04.1",
        "2.4.22-0ubuntu0.22.04.2",
        "2.4.22-0ubuntu0.22.04.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "haproxy",
            "binary_version": "2.8.5-1ubuntu3"
          },
          {
            "binary_name": "haproxy-dbgsym",
            "binary_version": "2.8.5-1ubuntu3"
          },
          {
            "binary_name": "haproxy-doc",
            "binary_version": "2.8.5-1ubuntu3"
          },
          {
            "binary_name": "vim-haproxy",
            "binary_version": "2.8.5-1ubuntu3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "haproxy",
        "purl": "pkg:deb/ubuntu/haproxy@2.8.5-1ubuntu3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8.5-1ubuntu3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6.15-1ubuntu2",
        "2.8.5-1ubuntu1",
        "2.8.5-1ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service for HTTP/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as exploited in the wild in 2024.",
  "id": "UBUNTU-CVE-2024-45506",
  "modified": "2025-07-16T05:18:03Z",
  "published": "2024-09-04T15:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-45506"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-45506"
    },
    {
      "type": "REPORT",
      "url": "https://www.haproxy.org/download/3.1/src/CHANGELOG"
    },
    {
      "type": "REPORT",
      "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "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": "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"
    }
  ],
  "upstream": [
    "CVE-2024-45506"
  ],
  "withdrawn": "2025-07-18T16:59:55Z"
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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