{
  "cveId": "CVE-2026-39373",
  "url": "https://patchblox.com/security/cve/CVE-2026-39373",
  "summary": "CVE-2026-39373 is fixed in 2 products on 1 platform, first by RHSA-2026:19042, released April 7, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "python3-jwcrypto: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti...",
  "description": "Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.\n\nSecurity Fix(es):\n\n* JWCrypto: python-cryptography: python: JWCrypto: Memory exhaustion via crafted compressed JWE tokens (CVE-2026-39373)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2026-04-07T19:35:36Z",
  "severity": "Low",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
  "epss": 0.00306,
  "epssPercentile": 0.2353,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "python-jwcrypto",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.5.6-1.1~deb13u1",
      "fix": "DEBIAN-CVE-2026-39373",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-39373",
      "released": "2026-04-07T20:16:32Z"
    },
    {
      "platform": "linux",
      "product": "python-jwcrypto",
      "release": "Debian 14",
      "fixedVersion": "1.5.6-1.1",
      "fix": "DEBIAN-CVE-2026-39373",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-39373",
      "released": "2026-04-07T20:16:32Z"
    },
    {
      "platform": "linux",
      "product": "python-jwcrypto",
      "release": "RHEL 10",
      "fixedVersion": "1.5.6-5.el10_2",
      "fix": "RHSA-2026:19042",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19042",
      "released": "2026-04-07T19:35:36Z"
    },
    {
      "platform": "linux",
      "product": "python-jwcrypto",
      "release": "rocky 10",
      "fixedVersion": "0:1.5.6-5.el10_2",
      "fix": "RLSA-2026:19042",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-19042",
      "released": "2026-05-29T16:03:24Z"
    },
    {
      "platform": "linux",
      "product": "python-jwcrypto",
      "release": "rocky 9",
      "fixedVersion": "0:1.5.6-3.el9_8",
      "fix": "RLSA-2026:19197",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-19197",
      "released": "2026-05-28T15:43:06Z"
    },
    {
      "platform": "linux",
      "product": "python3-jwcrypto",
      "release": "RHEL 9",
      "fixedVersion": "0:1.5.6-3.el9_8",
      "fix": "RHSA-2026:19197",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19197",
      "released": "2026-05-27T17:40:12Z"
    },
    {
      "platform": "linux",
      "product": "python3-jwcrypto",
      "release": "almalinux 10",
      "fixedVersion": "1.5.6-5.el10_2",
      "fix": "ALSA-2026:19042",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19042",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-jwcrypto",
      "release": "almalinux 9",
      "fixedVersion": "1.5.6-3.el9_8",
      "fix": "ALSA-2026:19197",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19197",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-jwcrypto",
      "release": "amzn 2023",
      "fixedVersion": "1.4.2-46.amzn2023.0.1",
      "fix": "ALAS2023-2026-1590",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1590",
      "released": "2026-04-27T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-jwcrypto",
      "release": "ol 10",
      "fixedVersion": "0:1.5.6-5.el10_2",
      "fix": "ELSA-2026-19042",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-19042",
      "released": "2026-07-08T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-jwcrypto",
      "release": "ol 9",
      "fixedVersion": "0:1.5.6-3.el9_8",
      "fix": "ELSA-2026-19197",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-19197",
      "released": "2026-06-12T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}