USN-6407-2: libx11 Ubuntu

Vulnerability summary

USN-6407-2 is a vulnerability in libx11 Ubuntu with no CVSS score yet.

Timeline

1. 10-10-2023
   PublishedVulnerability first disclosed.
2. 29-06-2026
   Last modifiedVulnerability information updated.

Description

libx11 vulnerabilities USN-6407-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked into connecting to a malicious X server, a remote attacker could use this issue to cause libx11 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-43785) Yair Mizrahi discovered that libx11 incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could possibly use this issue to consume memory, leading to a denial of service. (CVE-2023-43786) Yair Mizrahi discovered that libx11 incorrectly handled certain malformed XPM image files. If a user were tricked into opening a specially crafted XPM image file, a remote attacker could use this issue to cause libx11 to crash, leading to a denial of service, or possibly execute arbitrary code. (CVE-2023-43787)

No weakness data has been published for this record.