SB2026052030 - Anolis OS update for gnutls



SB2026052030 - Anolis OS update for gnutls

Published: May 20, 2026

Security Bulletin ID SB2026052030
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Authentication (CVE-ID: CVE-2026-42010)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to improper authentication in RSA-PSK username matching when processing usernames containing a NUL character. A remote attacker can supply a specially crafted username to bypass authentication.


Remediation

Install update from vendor's website.