{
  "cveId": "CVE-2021-45429",
  "url": "https://patchblox.com/security/cve/CVE-2021-45429",
  "summary": "CVE-2021-45429 is fixed in 3 products on 1 platform, first by libyara3 3.7.1-1ubuntu2\u002Besm1, released February 4, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "yara: A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_...",
  "description": "A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.",
  "published": "2022-02-04T11:15:00Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
  "epss": 0.00833,
  "epssPercentile": 0.57881,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libyara3",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.7.1-1ubuntu2\u002Besm1",
      "fix": "libyara3 3.7.1-1ubuntu2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libyara3-3.7.1-1ubuntu2-esm1",
      "released": "2022-02-04T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libyara3",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.9.0-1ubuntu0.1~esm1",
      "fix": "libyara3 3.9.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libyara3-3.9.0-1ubuntu0.1-esm1",
      "released": "2022-02-04T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libyara8",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.1.3-1ubuntu0.1~esm1",
      "fix": "libyara8 4.1.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libyara8-4.1.3-1ubuntu0.1-esm1",
      "released": "2022-02-04T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "yara",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "4.2.0-1",
      "fix": "DEBIAN-CVE-2021-45429",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-45429",
      "released": "2022-02-04T19:15:08Z"
    },
    {
      "platform": "linux",
      "product": "yara",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "4.2.0-1",
      "fix": "DEBIAN-CVE-2021-45429",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-45429",
      "released": "2022-02-04T19:15:08Z"
    },
    {
      "platform": "linux",
      "product": "yara",
      "release": "Debian 14",
      "fixedVersion": "4.2.0-1",
      "fix": "DEBIAN-CVE-2021-45429",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-45429",
      "released": "2022-02-04T19:15:08Z"
    },
    {
      "platform": "linux",
      "product": "yara",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.7.1-1ubuntu2\u002Besm1",
      "fix": "yara 3.7.1-1ubuntu2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-yara-3.7.1-1ubuntu2-esm1",
      "released": "2022-02-04T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "yara",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.9.0-1ubuntu0.1~esm1",
      "fix": "yara 3.9.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-yara-3.9.0-1ubuntu0.1-esm1",
      "released": "2022-02-04T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "yara",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "4.1.3-1ubuntu0.1~esm1",
      "fix": "yara 4.1.3-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-yara-4.1.3-1ubuntu0.1-esm1",
      "released": "2022-02-04T11:15:00Z"
    }
  ],
  "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"
  }
}