Advisories » MGASA-2026-0303

Updated x11-server x11-server-xwayland tigervnc packages fix security vulnerabilities

Publication date: 27 Jul 2026
Modification date: 27 Jul 2026
Type: security
Affected Mageia releases : 10
CVE: CVE-2026-55999 , CVE-2026-56000

Description

The updated packages fix security vulnerabilities:
glamor Font Atlas Heap Buffer Overflow. (CVE-2026-55999)
GLX contextTags Use-After-Free in CommonMakeCurrent(). (CVE-2026-56000)
                

References

• https://bugs.mageia.org/show_bug.cgi?id=35860
• https://www.openwall.com/lists/oss-security/2026/07/08/2
• https://www.cve.org/CVERecord?id=CVE-2026-55999
• https://www.cve.org/CVERecord?id=CVE-2026-56000

SRPMS

10/core

• x11-server-21.1.24-1.mga10
• x11-server-xwayland-24.1.13-1.mga10
• tigervnc-1.15.0-7.1.mga10