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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "PCRE2", "vendor": "PCRE", "versions": [{"lessThan": "10.49", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data."}], "id": "CVE-2026-103111", "lastModified": "2026-09-30T05:16:45.863", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-09-30T05:16:45.863", "references": [{"source": "cve@mitre.org", "url": "https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-r9hj-j2rw-4q3m"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "cve@mitre.org", "type": "Primary"}]}

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