SB2026051355 - Anolis OS update for xorg-x11-server-Xwayland
Published: May 13, 2026
Security Bulletin ID
SB2026051355
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer underflow (CVE-ID: CVE-2026-33999)
CWE-ID: CWE-191 - Integer underflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to an integer underflow in XkbSetCompatMap() when processing a future request after a previously truncated compat buffer left unused space. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.