Linux · Security advisory · July 13, 2026

RHSA-2026:38490: Security update for 2 packages

RHSA-2026:38490, released July 13, 2026, fixes 2 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0033
26th percentile

Priority of the 2 CVEs

Patch now 0 Urgent 0 High 2 Routine 0

Fixed package versions

ProductReleaseFixed in
xorg-x11-server-XwaylandRHEL 90:24.1.9-4.el9_8.3
xorg-x11-server-Xwayland-develRHEL 90:24.1.9-4.el9_8.3

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-55999 xorg-x11-server-Xwayland: Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwaylan... 7.8 0.0033 None reported
High CVE-2026-56000 xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent() 7.8 0.0031 None reported
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