{
  "cveId": "CVE-2026-112021",
  "url": "https://patchblox.com/security/cve/CVE-2026-112021",
  "summary": "CVE-2026-112021 is fixed in snac2 on 1 platform by DEBIAN-CVE-2026-112021 (version 2.93-1), released October 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "snac2: snac2 before 2.93 contains a heap-based buffer overflow vulnerability in _xs_json_load_lexer() that allows unauthenti...",
  "description": "snac2 before 2.93 contains a heap-based buffer overflow vulnerability in _xs_json_load_lexer() that allows unauthenticated remote attackers to corrupt heap memory by sending JSON strings containing a \\u0000 escape. Attackers can send a single crafted application/activity\u002Bjson POST to activitypub_post_handler(), which parses it before signature checks, overflowing heap allocations and crashing the server.",
  "published": "2026-10-18T12:17:15Z",
  "severity": "",
  "epss": 0.0067,
  "epssPercentile": 0.52271,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "snac2",
      "release": "Debian 14",
      "fixedVersion": "2.93-1",
      "fix": "DEBIAN-CVE-2026-112021",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-112021",
      "released": "2026-10-19T16:27:52Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}