SB2026052270 - Anolis OS update for tigervnc

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2026052270

SB2026052270 - Anolis OS update for tigervnc

Published: May 22, 2026

Security Bulletin ID SB2026052270
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2026-34000)

CWE-ID: CWE-125 - Out-of-bounds read

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 out-of-bounds read in CheckSetGeom() when handling key alias entries and validating only the first key name. A local user can gain access to sensitive information.


2) Out-of-bounds read (CVE-ID: CVE-2026-34002)

CWE-ID: CWE-125 - Out-of-bounds read

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 out-of-bounds read in CheckModifierMap() when parsing client request data without verifying that reads remain within request bounds. A local user disclose sensitive information.


3) Out-of-bounds read (CVE-ID: CVE-2026-34003)

CWE-ID: CWE-125 - Out-of-bounds read

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 out-of-bounds read in CheckKeyTypes() when processing a client request without ensuring that reads remain within request bounds. A local user can gain access to sensitive information.


Remediation

Install update from vendor's website.

References