Vulnerability DatabaseCVE-2026-89157
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CVE-2026-89157
Published:September 11, 2026
Updated:September 22, 2026
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.
Affected Packages
https://github.com/PCRE2Project/pcre2.git (GITHUB):
Affected version(s) >=pcre2-10.30 <pcre2-10.48
Fix Suggestion:
Update to version pcre2-10.48
Related Resources (3)
https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9
https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48
https://nvd.nist.gov/vuln/detail/CVE-2026-89157
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CVSS v4
Base Score:
5.9
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Integer Overflow or Wraparound
CWE-190
EPSS
Base Score:
0.21