Is CVE-2026-89161 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-89161?

CVE-2026-89161 has a CVSS v3 severity of HIGH (7.4).

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Description

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.