RHSA-2026:55448: Important: libXfont2 security update
Published Aug 17, 2026
·Updated
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.
Affected Software
2 affected components
X.Org libXfont2
X.Org libXfonts2
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
libxfonts2 (libXfont2 / libxfont2)to a version that resolves this vulnerability.Patch CVE-2026-59679 - Upgrade
Upgrade
libxfonts2 (libXfont2 / libxfont2)to a version that resolves this vulnerability.Patch CVE-2026-44950
Event History
Aug 17, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software