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CVE-2026-89161 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 11, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/PCRE2Project/pcre2/pull/937 | [email protected] | Patch |
| https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 | [email protected] | Release Notes |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-590 | Free of Memory not on the Heap | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| pcre pcre2 | < 10.48 10.48 rc1 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 16, 2026 | Initial Analysis | [email protected] |
| Sep 11, 2026 | CVE Modified | CISA-ADP |
| Sep 11, 2026 | New CVE Received | [email protected] |