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CVE-2026-103111

PCRE2 · Vulnerability

CVSS 3.1 7.6 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-103111

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-103111

Published

PCRE2

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "product": "PCRE2",
                    "vendor": "PCRE",
                    "versions": [
                        {
                            "lessThan": "10.49",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON