SB2026011331 - buildah 1.33 update for third-party components
Published: January 13, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Type confusion (CVE-ID: CVE-2025-49713)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error. A remote attacker can trick the victim into visiting a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) UNIX symbolic link following (CVE-ID: CVE-2025-52881)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue related to procfs write redirects. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Successful exploitation of this vulnerability may result in privilege escalation.
3) UNIX symbolic link following (CVE-ID: CVE-2025-31133)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue within the maskedPaths feature. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Successful exploitation of this vulnerability may result in privilege escalation.
4) UNIX symbolic link following (CVE-ID: CVE-2025-52565)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue related to /dev/console mounts. A local user can escape the container using a malicious config and escalate privileges on the system.
Remediation
Install update from vendor's website.