{
  "cveId": "CVE-2026-107891",
  "url": "https://patchblox.com/security/cve/CVE-2026-107891",
  "summary": "CVE-2026-107891 is fixed in musl on 1 platform by DEBIAN-CVE-2026-107891 (version 1.2.6-2), released October 31, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "musl: musl libc before 1.2.7, when an untrusted regular expression is used with regcomp, has multiple integer overflows, po...",
  "description": "musl libc before 1.2.7, when an untrusted regular expression is used with regcomp, has multiple integer overflows, possibly leading to incorrect allocation sizes and out-of-bounds heap writes.",
  "published": "2026-11-05T16:17:32Z",
  "severity": "high",
  "cvss": 8.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00549,
  "epssPercentile": 0.46223,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "musl",
      "release": "Debian 14",
      "fixedVersion": "1.2.6-2",
      "fix": "DEBIAN-CVE-2026-107891",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-107891",
      "released": "2026-10-31T22:18:21Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T19:38:12Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}