SB20260424121 - Anolis OS update for flatpak
Published: April 24, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) UNIX symbolic link following (CVE-ID: CVE-2024-42472)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue when mounting persistent directories. A local user can create a specially crafted symbolic link and escape sandbox.
2) Improper access control (CVE-ID: CVE-2026-34078)
The vulnerability allows a remote attacker to execute code in the host context.
The vulnerability exists due to improper access control in the Flatpak portal and flatpak run when processing sandbox-expose options containing app-controlled symlinks. A remote attacker can supply a crafted path to gain access to arbitrary host files and execute code in the host context.
The issue enables sandbox escape from a Flatpak app to the host environment.
3) Path traversal (CVE-ID: CVE-2026-34079)
The vulnerability allows a local user to delete arbitrary files on the host filesystem.
The vulnerability exists due to improper path validation in ld.so cache file caching when removing outdated cache files. A local user can control the path to an outdated cache file to delete arbitrary files on the host filesystem.
Remediation
Install update from vendor's website.