RHSA-2026:51061: Important: libXfont2 security update
Important: libXfont2 security update
Other sources
X.Org X11 libXfont2 runtime librarySecurity Fix(es): libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow (CVE-2026-56001) libXfont2: PCF Font Parsing Heap Buffer Overflow (CVE-2026-56002) libXfont2: computeProps Property Buffer Heap Buffer Overflow (CVE-2026-56003) 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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
libXfont2to a version that resolves this vulnerability.Patch CVE-2026-56001 - Upgrade
Upgrade
libXfont2to a version that resolves this vulnerability.Patch CVE-2026-56002 - Upgrade
Upgrade
libXfont2to a version that resolves this vulnerability.Patch CVE-2026-56003
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:51061?
The severity of RHSA-2026:51061 is classified as high, with a score of 7.
What vulnerabilities are addressed in RHSA-2026:51061?
RHSA-2026:51061 addresses bitmap scale bitmaps integer overflow and heap buffer overflow issues in libXfont2.
How do I fix RHSA-2026:51061?
To fix RHSA-2026:51061, you should apply the latest security update for the libXfont2 package provided by Red Hat.
Which systems are affected by RHSA-2026:51061?
RHSA-2026:51061 affects various Red Hat Enterprise Linux versions including Power, ARM, and x86_64 architectures.
What is the risk associated with RHSA-2026:51061?
The risk associated with RHSA-2026:51061 is categorized as high due to potential remote code execution caused by buffer overflow vulnerabilities.