Is CVE-2026-103111 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-103111?

CVE-2026-103111 has a CVSS v3 severity of HIGH (7.6).

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CVE-2026-103111

Description

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.