Linux · Security advisory · June 23, 2025

RHSA-2025:9303: Security update for 10 packages

RHSA-2025:9303, released June 23, 2025, fixes 6 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
6
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0044
38th percentile

Priority of the 6 CVEs

Patch now 0 Urgent 0 High 6 Routine 0

Fixed package versions

ProductReleaseFixed in
xorg-x11-server-XdmxRHEL 90:1.20.11-31.el9_6
xorg-x11-server-XephyrRHEL 90:1.20.11-31.el9_6
xorg-x11-server-XnestRHEL 90:1.20.11-31.el9_6
xorg-x11-server-XorgRHEL 90:1.20.11-31.el9_6
xorg-x11-server-XvfbRHEL 90:1.20.11-31.el9_6
xorg-x11-server-XwaylandRHEL 90:23.2.7-4.el9_6
xorg-x11-server-Xwayland-develRHEL 90:23.2.7-4.el9_6
xorg-x11-server-commonRHEL 90:1.20.11-31.el9_6
xorg-x11-server-develRHEL 90:1.20.11-31.el9_6
xorg-x11-server-sourceRHEL 90:1.20.11-31.el9_6

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2025-49177 Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: data leak in xfixes extension's xfixessetclientdisconnectmode 7.8 0.0044 None reported
High CVE-2025-49176 Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension 7.8 0.0037 None reported
High CVE-2025-49175 Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: out-of-bounds read in x rendering extension animated cursors 7.8 0.0034 None reported
High CVE-2025-49179 Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension 7.8 0.0034 None reported
High CVE-2025-49180 Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension 7.8 0.0033 None reported
High CVE-2025-49178 Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: unprocessed client request due to bytes to ignore 7.8 0.0025 None reported
Showing 1 to 6 of 6 1