CVE-2026-89161In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context.
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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.
- CVSS
- 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-590
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Undergoing Analysis
- Record last updated
- Sep 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
PCRE PCRE2 pcre:pcre2 (from the name) | before 10.48 | CNA record |
pcre pcre2 pcre:pcre2 | before 10.48; 10.48 | NVD |
References
- https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48release-notes
- https://github.com/PCRE2Project/pcre2/pull/937patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.