Linux · 
Ubuntu · Package update · January 16, 2026
Ubuntu · Package update · January 16, 2026xorg-server-source 2:21.1.13-2ubuntu1.2: xorg-server-source 2:21.1.13-2ubuntu1.2 for Ubuntu 24.10 (oracular)
xorg-server-source 2:21.1.13-2ubuntu1.2, released January 16, 2026, fixes 8 CVEs in xorg-server-source. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
8
None rated Critical
Exploited
0
None reported
Highest CVSS
7.8
Base score, 0 to 10
Highest EPSS
0.0044
39th percentile
Priority of the 8 CVEs
Patch now 0
Urgent 0
High 8
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| xorg-server-source | Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.2 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-26597 | libX11: improper resizing of key actions when nGroups is 0 can lead to buffer overflows in | 7.8 | 0.0044 | None reported |
| High | CVE-2025-26595 | libxkbfile: Fixed buffer overflow in XkbVModMaskText() (bsc#1237429). | 7.8 | 0.0044 | None reported |
| High | CVE-2025-26596 | xorg-x11-server: Heap overflow in XkbWriteKeySyms() (bsc#1237430). | 7.8 | 0.0044 | None reported |
| High | CVE-2025-26598 | xorg-x11-server: Out-of-bounds write in CreatePointerBarrierClient() (bsc#1237432). | 7.8 | 0.0041 | None reported |
| High | CVE-2025-26599 | xwayland: Use of uninitialized pointer in compRedirectWindow() (bsc#1237433). | 7.8 | 0.0041 | None reported |
| High | CVE-2025-26594 | xorg-x11-server: Use-after-free of the root cursor (bsc#1237427). | 7.8 | 0.0039 | None reported |
| High | CVE-2025-26600 | xorg-x11-server: Use-after-free in PlayReleasedEvents() (bsc#1237434). | 7.8 | 0.0039 | None reported |
| High | CVE-2025-26601 | xorg-x11-server: Use-after-free in SyncInitTrigger() (bsc#1237435). | 7.8 | 0.0039 | None reported |
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