{
  "cveId": "CVE-2022-31796",
  "url": "https://patchblox.com/security/cve/CVE-2022-31796",
  "summary": "CVE-2022-31796 is fixed in libjpeg on 1 platform, first by DEBIAN-CVE-2022-31796, released June 2, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libjpeg: libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmapreque...",
  "description": "libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.",
  "published": "2022-06-02T14:15:58Z",
  "severity": "medium",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
  "epss": 0.00939,
  "epssPercentile": 0.61136,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libjpeg",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "0.0~git20220615.842c7ba-1",
      "fix": "DEBIAN-CVE-2022-31796",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31796",
      "released": "2022-06-02T14:15:58Z"
    },
    {
      "platform": "linux",
      "product": "libjpeg",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.0~git20220615.842c7ba-1",
      "fix": "DEBIAN-CVE-2022-31796",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31796",
      "released": "2022-06-02T14:15:58Z"
    },
    {
      "platform": "linux",
      "product": "libjpeg",
      "release": "Debian 14",
      "fixedVersion": "0.0~git20220615.842c7ba-1",
      "fix": "DEBIAN-CVE-2022-31796",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31796",
      "released": "2022-06-02T14:15:58Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}