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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "PCRE2", "vendor": "PCRE", "versions": [{"lessThan": "10.48", "status": "affected", "version": "10.32", "versionType": "custom"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PCRE2 before 10.48 allows a pcre2_dfa_match out-of-bounds write because reuse of a cached workspace block, in a recursive DFA matching workspace, lacks a size check (even though a newly allocated block, for the same purpose, does have a size check). This outcome requires an attacker-controlled regular expression, or a recursive pattern in conjunction with a small heap limit (this can be set through the API)."}], "id": "CVE-2026-86145", "lastModified": "2026-09-05T06:17:10.370", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-09-05T06:17:10.370", "references": [{"source": "cve@mitre.org", "url": "https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48"}, {"source": "cve@mitre.org", "url": "https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-3r4p-g7gg-ppmf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-424"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.32,10.48)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "PCRE2", "source": "cna", "vendor": "PCRE"}, "product": "pcre2", "vendor": "pcre"}], "created": "2026-09-05T06:30:04.715338+00:00", "title": "Out-of-Bounds Write in PCRE2 DFA Matching Due to Cached Workspace Size Check Missing", "updated": "2026-09-05T06:30:04.893234+00:00", "vendors": ["pcre", "pcre$PRODUCT$pcre2"]}