Advisories ยป MGASA-2026-0155

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

Publication date: 26 May 2026
Modification date: 26 May 2026
Type: security
Affected Mageia releases : 9
CVE: CVE-2026-33999 , CVE-2026-34000 , CVE-2026-34001 , CVE-2026-34002 , CVE-2026-34003

Description

XKB Integer Underflow in XkbSetCompatMap(). (CVE-2026-33999)
XKB Out-of-bounds Read in CheckSetGeom(). (CVE-2026-34000)
XSYNC Use-after-free in miSyncTriggerFence(). (CVE-2026-34001)
XKB Out-of-bounds read in CheckModifierMap(). (CVE-2026-34002)
XKB Buffer overflow in CheckKeyTypes(). (CVE-2026-34003)
                

References

SRPMS

9/core