USN-6168-1: libx11 vulnerability
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 22.04
Description
Gregory James Duck discovered that libx11 incorrectly handled certain Request, Event, or Error IDs. If a user were tricked into connecting to a malicious X Server, a remote attacker could possibly use this issue to cause libx11 to crash, resulting in a denial of service. Update Instructions: Run `sudo pro fix USN-6168-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libx11-6 – 2:1.6.9-2ubuntu1.5 libx11-data – 2:1.6.9-2ubuntu1.5 libx11-xcb-dev – 2:1.6.9-2ubuntu1.5 libx11-xcb1 – 2:1.6.9-2ubuntu1.5 libx11-doc – 2:1.6.9-2ubuntu1.5 libx11-dev – 2:1.6.9-2ubuntu1.5 No subscription required
CVEs contained in this USN include: CVE-2023-3138.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- cflinuxfs4
- All versions prior to 1.20.0
- CF Deployment
- All versions prior to 30.6.0
Mitigation
Users of affected products are strongly encouraged to follow the mitigations below.
The Cloud Foundry project recommends upgrading the following releases:
- cflinuxfs4
- Upgrade all versions to 1.20.0 or greater
- CF Deployment
- Upgrade all versions to 30.6.0 or greater
References
History
2023-06-29: Initial vulnerability report published.