CVE-2026-103111

{
  "etk_id": "ETK-2026-80",
  "cve_id": "CVE-2026-103111",
  "display_id": "CVE-2026-103111",
  "ghsa_id": "GHSA-mq4r-p73m-gphj",
  "euvd_id": "EUVD-2026-89608",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Out-of-bounds write in PCRE2 JIT processing",
  "summary": "PCRE2 versions before 10.49 are affected by an out-of-bounds write during certain JIT API operations. An attacker may trigger the flaw with a controlled regular expression where an application processes untrusted patterns through the affected JIT path.",
  "mitigation": "Upgrade PCRE2 to version 10.49 or later. Until upgraded, avoid compiling or executing untrusted regular expressions with the affected JIT API usage.",
  "vendor": "PCRE",
  "product": "PCRE2",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<=10.48"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.49"
      ],
      "package_name": "PCRE2",
      "purl": null
    }
  ],
  "cwes": [
    787
  ],
  "cvss_score": 7.6,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L",
  "epss_score": 0.0021,
  "epss_percentile": 0.1112,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "mechanism_verified",
  "exploit": false,
  "pipeline_minutes": 24.451215166666667,
  "t0_at": "2026-09-30T04:13:59.115000+00:00",
  "signals": {
    "check": {
      "at": "2026-09-30T05:38:59.304230+00:00",
      "days": 0.05902996793981481,
      "is_lower_bound": false,
      "measured_at": "2026-09-30T04:13:59.115000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-09-30T04:13:59.115000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-30T04:13:59.115000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-103111"
    }
  }
}