ubuntu-cve-2024-52303
Vulnerability from osv_ubuntu
Published
2024-11-18 20:15
Modified
2025-07-17 17:15
Summary
Details

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In versions starting with 3.10.6 and prior to 3.10.11, a memory leak can occur when a request produces a MatchInfoError. This was caused by adding an entry to a cache on each request, due to the building of each MatchInfoError producing a unique cache entry. An attacker may be able to exhaust the memory resources of a server by sending a substantial number (100,000s to millions) of such requests. Those who use any middlewares with aiohttp.web should upgrade to version 3.10.11 to receive a patch.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "python-aiohttp",
        "purl": "pkg:deb/ubuntu/python-aiohttp@0.20.2-1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.17.2-1",
        "0.17.4-1",
        "0.17.4-1build1",
        "0.20.2-1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "python-aiohttp",
        "purl": "pkg:deb/ubuntu/python-aiohttp@3.0.1-1ubuntu0.1~esm5?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.3-1build1",
        "2.2.3-2",
        "2.3.6-1",
        "3.0.1-1",
        "3.0.1-1ubuntu0.1~esm1",
        "3.0.1-1ubuntu0.1~esm4",
        "3.0.1-1ubuntu0.1~esm5"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "python-aiohttp",
        "purl": "pkg:deb/ubuntu/python-aiohttp@3.6.2-1ubuntu1+esm4?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.5.4-1",
        "3.5.4-1build1",
        "3.6.1-1",
        "3.6.2-1",
        "3.6.2-1build1",
        "3.6.2-1ubuntu0.1~esm1",
        "3.6.2-1ubuntu1",
        "3.6.2-1ubuntu1+esm1",
        "3.6.2-1ubuntu1+esm3",
        "3.6.2-1ubuntu1+esm4"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "python-aiohttp",
        "purl": "pkg:deb/ubuntu/python-aiohttp@3.8.1-4ubuntu0.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.7.4-1",
        "3.7.4-1build2",
        "3.8.1-3",
        "3.8.1-4",
        "3.8.1-4build1",
        "3.8.1-4ubuntu0.2"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "python-aiohttp",
        "purl": "pkg:deb/ubuntu/python-aiohttp@3.9.1-1ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.8.4-1",
        "3.9.1-1",
        "3.9.1-1build1",
        "3.9.1-1ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-aiohttp-doc",
            "binary_version": "3.10.11-1build1"
          },
          {
            "binary_name": "python3-aiohttp",
            "binary_version": "3.10.11-1build1"
          },
          {
            "binary_name": "python3-aiohttp-dbgsym",
            "binary_version": "3.10.11-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.04",
        "name": "python-aiohttp",
        "purl": "pkg:deb/ubuntu/python-aiohttp@3.10.11-1build1?arch=source\u0026distro=plucky"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.10.11-1build1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.9.5-1",
        "3.10.11-1"
      ]
    }
  ],
  "aliases": [],
  "details": "aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In versions starting with 3.10.6 and prior to 3.10.11, a memory leak can occur when a request produces a MatchInfoError. This was caused by adding an entry to a cache on each request, due to the building of each MatchInfoError producing a unique cache entry. An attacker may be able to exhaust the memory resources of a server by sending a substantial number (100,000s to millions) of such requests. Those who use any middlewares with aiohttp.web should upgrade to version 3.10.11 to receive a patch.",
  "id": "UBUNTU-CVE-2024-52303",
  "modified": "2025-07-17T17:15:52Z",
  "published": "2024-11-18T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-52303"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-52303"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-27mf-ghqm-j3j8"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/aio-libs/aiohttp/commit/bc15db61615079d1b6327ba42c682f758fa96936"
    }
  ],
  "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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-52303"
  ],
  "withdrawn": "2025-07-18T17:01:24Z"
}



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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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