RHSA-2026:59311: Important: libXfont2 security update
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
Event History
Frequently Asked Questions
Which RHEL deployment streams are listed as affected by this advisory?
The advisory lists Extended Life Cycle deployments for ARM 64, IBM z Systems, Power little endian, and x86_64. It also lists RHEL Server AUS, x86_64 Update Services for SAP Solutions, Power LE Update Services for SAP Solutions, and ARM 64 with 4 years of updates.
What date should be used to track this advisory in change records?
The advisory was published on 2026-08-25 and was also last modified on 2026-08-25.