Ubuntu 26.04 Graphite2 Critical DoS Vulnerability USN-8444-1 CVE-2026-50593
ubuntu
June 17, 2026
graphite2 could be made to crash or run programs if it opened a specially crafted file.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: graphite2 could be made to crash or run programs if it opened a specially crafted file. Software Description: - graphite2: Font rendering engine for Complex Scripts Details: It was discovered that Graphite incorrectly handled memory when running certain actions. An attacker could use this issue to cause Graphite to crash, resulting in a denial of service, or possibly execute arbitrary code.
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS libgraphite2-3 1.3.14-11ubuntu1.1 Ubuntu 25.10 libgraphite2-3 1.3.14-2ubuntu1.3 Ubuntu 24.04 LTS libgraphite2-3 1.3.14-2ubuntu0.24.04.1 Ubuntu 22.04 LTS libgraphite2-3 1.3.14-1ubuntu0.1 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-8444-1
CVE-2026-50593
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Ubuntu Security Notice USN-8444-1
Topics Covered
Package Information
https://launchpad.net/ubuntu/+source/graphite2/1.3.14-11ubuntu1.1 https://launchpad.net/ubuntu/+source/graphite2/1.3.14-2ubuntu1.3 https://launchpad.net/ubuntu/+source/graphite2/1.3.14-2ubuntu0.24.04.1 https://launchpad.net/ubuntu/+source/graphite2/1.3.14-1ubuntu0.1
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