Summary
[1.8.0-33.0.9]
- Fix CVE-2025-62229: xorg-x11-server: Use-after-free in XPresentNotify structures creation [Orabug: 38694278]
- Fix CVE-2025-62230: xorg-x11-server: Use-after-free in Xkb client resource removal
- Fix CVE-2025-62231: xorg-x11-server: Value overflow in Xkb extension XkbSetCompatMap()
[1.8.0-33.0.7]
- Fix CVE-2025-49175, CVE-2025-49176, CVE-2025-49178, CVE-2025-49179, CVE-2025-49180 [Orabug: 38157695]
[1.8.0-33.0.5]
- Fix CVE-2025-26594 xorg-x11-server Use-after-free of the root cursor [Orabug: 37712725]
- Fix CVE-2025-26595 xorg-x11-server Buffer overflow in XkbVModMaskText()
- Fix CVE-2025-26596 xorg-x11-server Heap overflow in XkbWriteKeySyms()
- Fix CVE-2025-26597 xorg-x11-server Buffer overflow in XkbChangeTypesOfKey()
- Fix CVE-2025-26598 xorg-x11-server Out-of-bounds write in CreatePointerBarrierClient()
- Fix CVE-2025-26599 xorg-x11-server Use of uninitialized pointer in compRedirectWindow()
- Fix CVE-2025-26600 xorg-x11-server Use-after-free in PlayReleasedEvents()
- Fix CVE-2025-26601 xorg-x11-server Use-after-free in SyncInitTrigger()
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 7 | tigervnc | 0:1.8.0-33.0.9.el7_9 |
| Oracle Linux · 7 | tigervnc-icons | 0:1.8.0-33.0.9.el7_9 |
| Oracle Linux · 7 | tigervnc-license | 0:1.8.0-33.0.9.el7_9 |
| Oracle Linux · 7 | tigervnc-server | 0:1.8.0-33.0.9.el7_9 |
| Oracle Linux · 7 | tigervnc-server-applet | 0:1.8.0-33.0.9.el7_9 |
| Oracle Linux · 7 | tigervnc-server-minimal | 0:1.8.0-33.0.9.el7_9 |
| Oracle Linux · 7 | tigervnc-server-module | 0:1.8.0-33.0.9.el7_9 |
Vulnerabilities 3
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High 7.3
Xorg: xmayland: use-after-free in xpresentnotify structure creation
A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption…
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High 7.3
Xorg: xwayland: use-after-free in xkb client resource removal
A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memo…
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High 7.3
Xorg: xmayland: value overflow in xkbsetcompatmap()
A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overfl…