{
  "cveId": "CVE-2021-45910",
  "url": "https://patchblox.com/security/cve/CVE-2021-45910",
  "summary": "CVE-2021-45910 is fixed in gif2apng on 1 platform, first by gif2apng 1.9\u002Bsrconly-2ubuntu0.1, released December 27, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "gif2apng: An issue was discovered in gif2apng 1.9",
  "description": "An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow within the main function. It allows an attacker to write data outside of the allocated buffer. The attacker has control over a part of the address that data is written to, control over the written data, and (to some extent) control over the amount of data that is written.",
  "published": "2021-12-27T17:15:00Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.009,
  "epssPercentile": 0.59874,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gif2apng",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "1.9\u002Bsrconly-3\u002Bdeb11u1",
      "fix": "DEBIAN-CVE-2021-45910",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-45910",
      "released": "2021-12-28T01:15:07Z"
    },
    {
      "platform": "linux",
      "product": "gif2apng",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.9\u002Bsrconly-2ubuntu0.1",
      "fix": "gif2apng 1.9\u002Bsrconly-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gif2apng-1.9-srconly-2ubuntu0.1",
      "released": "2021-12-27T17:15:00Z"
    },
    {
      "platform": "linux",
      "product": "gif2apng",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.9\u002Bsrconly-3ubuntu0.1",
      "fix": "gif2apng 1.9\u002Bsrconly-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-gif2apng-1.9-srconly-3ubuntu0.1",
      "released": "2021-12-27T17:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}