CVE-2026-89161
CVSS v3
7.4
HIGH
EPSS Score
0.1 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2026-09-11
- Last Modified
- 2026-09-11
Frequently asked questions
What is CVE-2026-89161?
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.
Is CVE-2026-89161 actively exploited?
Active exploitation of CVE-2026-89161 has not been confirmed. Its EPSS score was 0.1% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-89161?
CVE-2026-89161 has a CVSS v3 base score of 7.4 (HIGH severity).
Is CVE-2026-89161 affecting your environment?
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