RHSA-2026:62231: Important: libXfont2 security update
Published Sep 1, 2026
·Updated
Important: libXfont2 security update
Other sources
X.Org X11 libXfont2 runtime librarySecurity Fix(es): libxfont2: Font Server Client encoding[] Out-Of-Bounds Read/Write (CVE-2026-59679) libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client (CVE-2026-44950) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
— Red Hat
Affected Software
4 affected components
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian
Event History
Sep 1, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·04:54 PM
Data Sourced
via Red Hat·04:54 PM
Severity
Frequently Asked Questions
1
Which Red Hat Enterprise Linux Extended Life Cycle Support platforms are covered by this update?
The update applies to Red Hat Enterprise Linux Server - Extended Life Cycle Support, including ELS for IBM Power (big endian and little endian) and IBM z Systems.