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Fedora 44 libXfont2 2.0.8 Critical Buffer Overflow CVE-2026

Linuxsecurity •LinuxSecurity Advisories • July 10, 2026

* Wed Jul 8 2026 Peter Hutterer - 2.0.8-1 - libXfont2 2.0.8 (CVE-2026-56001, CVE-2026-56002, CVE-2026-56003)

Fedora Update Notification FEDORA-2026-43652cd5e8 2026-07-10 00:52:14.826392+00:00 Name : libXfont2 Product : Fedora 44 Version : 2.0.8 Release : 1.fc44 URL : Summary : X.Org X11 libXfont2 runtime library Description : X.Org X11 libXfont2 runtime library

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-43652cd5e8' at the command line. For more information, refer to the dnf documentation available at

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical RCE Vulnerabilities in Fedora libXfont2 Affecting Multiple CVEs On July 8, 2026, three critical vulnerabilities (CVE-2026-56001, CVE-2026-56002, CVE-2026-56003) were disclosed in the libXfont2 library, affecting Fedora 43 and 44. These vulnerabilities allow for remote code execution, posing a significant risk to systems using these versions. Users are advised to upgrade to libXfont2 version 2.0.8 to mitigate these risks. The vulnerabilities were confirmed by Peter Hutterer, the maintainer, and are categorized as critical due to their potential for exploitation. The updates can be installed using the 'dnf' package manager. The current status is that patches are available, but the urgency remains high due to the critical nature of the vulnerabilities. Administrators are urged to apply the updates promptly to secure their systems. 2 sources 73

Extracted Entities

Fedora 44 libXfont2 2.0.8 Critical Buffer Overflow CVE-2026

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Extracted Entities

Companies (1)

CVEs (3)

CWE Weaknesses (2)

Platforms (1)