SB2026100908 - Anolis OS update for pcre2
Published: October 9, 2026
Security Bulletin ID
SB2026100908
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-89156)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds read in pcre2_match() when processing invalid UTF subjects after JIT fallback to the interpreter. A remote attacker can pass a specially crafted invalid UTF subject to cause a denial of service.
Exploitation requires UTF matching, JIT support, a non-zero starting offset, and a pattern with lookbehind in the 8-bit library.
Remediation
Install update from vendor's website.