{
  "cveId": "CVE-2021-3756",
  "url": "https://patchblox.com/security/cve/CVE-2021-3756",
  "summary": "CVE-2021-3756 is fixed in 3 products on 1 platform, first by libmysofa-utils 0.6~dfsg0-3\u002Bdeb10u1ubuntu0.1~esm1, released October 29, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libmysofa0: libmysofa is vulnerable to Heap-based Buffer Overflow",
  "description": "libmysofa is vulnerable to Heap-based Buffer Overflow",
  "published": "2021-10-29T09:15:00Z",
  "severity": "Medium",
  "epss": 0.01069,
  "epssPercentile": 0.65027,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libmysofa-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.6~dfsg0-3\u002Bdeb10u1ubuntu0.1~esm1",
      "fix": "libmysofa-utils 0.6~dfsg0-3\u002Bdeb10u1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libmysofa-utils-0.6-dfsg0-3-deb10u1ubuntu0.1-esm1",
      "released": "2021-10-29T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa-utils",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.0~dfsg0-1ubuntu0.1~esm1",
      "fix": "libmysofa-utils 1.0~dfsg0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libmysofa-utils-1.0-dfsg0-1ubuntu0.1-esm1",
      "released": "2021-10-29T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa-utils",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.2.1~dfsg0-1",
      "fix": "libmysofa-utils 1.2.1~dfsg0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libmysofa-utils-1.2.1-dfsg0-1",
      "released": "2021-10-29T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa-utils",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1.2.1~dfsg0-1",
      "fix": "libmysofa-utils 1.2.1~dfsg0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libmysofa-utils-1.2.1-dfsg0-1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa-utils",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1.2.1~dfsg0-1",
      "fix": "libmysofa-utils 1.2.1~dfsg0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libmysofa-utils-1.2.1-dfsg0-1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.6~dfsg0-3\u002Bdeb10u1ubuntu0.1~esm1",
      "fix": "libmysofa0 0.6~dfsg0-3\u002Bdeb10u1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libmysofa0-0.6-dfsg0-3-deb10u1ubuntu0.1-esm1",
      "released": "2021-10-29T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.0~dfsg0-1ubuntu0.1~esm1",
      "fix": "libmysofa1 1.0~dfsg0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libmysofa1-1.0-dfsg0-1ubuntu0.1-esm1",
      "released": "2021-10-29T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa1",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.2.1~dfsg0-1",
      "fix": "libmysofa1 1.2.1~dfsg0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libmysofa1-1.2.1-dfsg0-1",
      "released": "2021-10-29T09:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa1",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1.2.1~dfsg0-1",
      "fix": "libmysofa1 1.2.1~dfsg0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libmysofa1-1.2.1-dfsg0-1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libmysofa1",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "1.2.1~dfsg0-1",
      "fix": "libmysofa1 1.2.1~dfsg0-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libmysofa1-1.2.1-dfsg0-1",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "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"
  }
}