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.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.4 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/PCRE2Project/pcre2/pull/937	Patch
https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48	Release Notes

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:pcre:pcre2::::::::
	cpe:2.3:a:pcre:pcre2:10.48:rc1::::::

History

16 Sep 2026, 19:10

Type	Values Removed	Values Added
First Time		Pcre Pcre pcre2
CPE		cpe:2.3:a:pcre:pcre2:::::::: cpe:2.3:a:pcre:pcre2:10.48:rc1::::::
References	~~() https://github.com/PCRE2Project/pcre2/pull/937 -~~	() https://github.com/PCRE2Project/pcre2/pull/937 - Patch
References	~~() https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 -~~	() https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 - Release Notes

Information

Published : 2026-09-11 04:18

Updated : 2026-09-16 19:10

NVD link : CVE-2026-89161

Mitre link : CVE-2026-89161

CVE.ORG link : CVE-2026-89161

JSON object : View

Products Affected

pcre

pcre2

CWE

CWE-590

Free of Memory not on the Heap

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