SB2026092041 - openEuler 22.03 LTS SP4 update for openvpn



SB2026092041 - openEuler 22.03 LTS SP4 update for openvpn

Published: September 20, 2026

Security Bulletin ID SB2026092041
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2026-12932)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to a memory leak in tls-crypt-v2 client key handling when processing tls-crypt-v2 client keys. A remote attacker can send a sequence of crafted inputs to cause a denial of service.

The issue can lead to an out-of-memory condition before the server crashes.


Remediation

Install update from vendor's website.