RHSA-2026:61995 — Security Advisory
Red Hat Security Advisory: libXfont2 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · September 1, 2026
Updated · October 7, 2026
Topic
An update for libXfont2 is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
X.Org X11 libXfont2 runtime library
Security 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.