CVE-2026-89157

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

CVSS v3 5.7 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.4 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48	Release Notes
https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9	Exploit Mitigation Vendor Advisory
https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9	Exploit Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

16 Sep 2026, 19:25

Type	Values Removed	Values Added
References	~~() https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 -~~	() https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 - Release Notes
References	~~() https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9 -~~	() https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9 - Exploit, Mitigation, Vendor Advisory
First Time		Pcre Pcre pcre2
CPE		cpe:2.3:a:pcre:pcre2:::::::: cpe:2.3:a:pcre:pcre2:10.48:rc1::::::

Information

Published : 2026-09-11 04:18

Updated : 2026-09-16 19:25

NVD link : CVE-2026-89157

Mitre link : CVE-2026-89157

CVE.ORG link : CVE-2026-89157

JSON object : View

Products Affected

pcre

pcre2

CWE

CWE-190

Integer Overflow or Wraparound

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