CVE-2026-86145

{"id": "CVE-2026-86145", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86145", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-08T18:07:40.203419Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "PCRE", "product": "PCRE2", "versions": [{"status": "affected", "version": "10.32", "lessThan": "10.48", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-05T06:17:10.370", "references": [{"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", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/09/05/3", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-424"}]}], "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)."}], "lastModified": "2026-09-09T16:04:24.933", "sourceIdentifier": "cve@mitre.org"}