{
  "cveId": "CVE-2026-34513",
  "url": "https://patchblox.com/security/cve/CVE-2026-34513",
  "summary": "CVE-2026-34513 is fixed in 4 products on 1 platform, first by python3-aiohttp 3.0.1-1ubuntu0.1~esm7, released April 1, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "python3-aiohttp: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python",
  "description": "AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation. This issue has been patched in version 3.13.4.",
  "published": "2026-04-01T14:16:00Z",
  "severity": "Medium",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00457,
  "epssPercentile": 0.39922,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "python-aiohttp",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.8.4-1\u002Bdeb12u2",
      "fix": "DEBIAN-CVE-2026-34513",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34513",
      "released": "2026-04-01T21:16:59Z"
    },
    {
      "platform": "linux",
      "product": "python-aiohttp",
      "release": "Debian 14",
      "fixedVersion": "3.13.5-1",
      "fix": "DEBIAN-CVE-2026-34513",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34513",
      "released": "2026-04-01T21:16:59Z"
    },
    {
      "platform": "linux",
      "product": "python-aiohttp",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.11.16-160000.5.1",
      "fix": "OPENSUSE-SU-2026:21098-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21098-1",
      "released": "2026-06-19T08:00:07Z"
    },
    {
      "platform": "linux",
      "product": "python-aiohttp",
      "release": "sles 15.6",
      "fixedVersion": "3.9.3-150400.10.43.1",
      "fix": "SUSE-SU-2026:3207-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3207-1",
      "released": "2026-07-23T14:10:50Z"
    },
    {
      "platform": "linux",
      "product": "python-aiohttp",
      "release": "sles 15.7",
      "fixedVersion": "3.9.3-150400.10.43.1",
      "fix": "SUSE-SU-2026:3207-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3207-1",
      "released": "2026-07-23T14:10:50Z"
    },
    {
      "platform": "linux",
      "product": "python-aiohttp",
      "release": "sles 16.0",
      "fixedVersion": "3.11.16-160000.5.1",
      "fix": "SUSE-SU-2026:22173-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22173-1",
      "released": "2026-06-19T07:54:42Z"
    },
    {
      "platform": "linux",
      "product": "python3-aiohttp",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.0.1-1ubuntu0.1~esm7",
      "fix": "python3-aiohttp 3.0.1-1ubuntu0.1~esm7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python3-aiohttp-3.0.1-1ubuntu0.1-esm7",
      "released": "2026-04-01T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-aiohttp",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.8.1-4ubuntu0.2\u002Besm3",
      "fix": "python3-aiohttp 3.8.1-4ubuntu0.2\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-python3-aiohttp-3.8.1-4ubuntu0.2-esm3",
      "released": "2026-04-01T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-aiohttp",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.9.1-1ubuntu0.1\u002Besm3",
      "fix": "python3-aiohttp 3.9.1-1ubuntu0.1\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-python3-aiohttp-3.9.1-1ubuntu0.1-esm3",
      "released": "2026-04-01T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-aiohttp",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.13.3-3ubuntu1\u002Besm1",
      "fix": "python3-aiohttp 3.13.3-3ubuntu1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-python3-aiohttp-3.13.3-3ubuntu1-esm1",
      "released": "2026-04-01T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "python39-oci-sdk",
      "release": "ol 9",
      "fixedVersion": "0:2.187.0-1.0.5.el9",
      "fix": "ELSA-2026-604898",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-604898",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "python39-oci-sdk-docs",
      "release": "ol 9",
      "fixedVersion": "0:2.187.0-1.0.5.el9",
      "fix": "ELSA-2026-604898",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-604898",
      "released": "2026-11-07T00:52:27Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}