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CVE-2022-49737
Medium priorityIn X.Org X server 20.11 through 21.1.16, when a client application uses easystroke for mouse gestures, the main thread modifies various data structures used by the input thread without acquiring a lock, aka a race condition. In...
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Needs evaluation |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Needs evaluation | — |
| xwayland | Needs evaluation | Needs evaluation | Not in release | — | — |
CVE-2025-26601
Medium prioritySome fixes available 13 of 14
A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called....
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |
CVE-2025-26600
Medium prioritySome fixes available 13 of 14
A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free.
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |
CVE-2025-26599
Medium prioritySome fixes available 13 of 14
An access to an uninitialized pointer flaw was found in X.Org and Xwayland. The function compCheckRedirect() may fail if it cannot allocate the backing pixmap. In that case, compRedirectWindow() will return a BadAlloc...
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |
CVE-2025-26598
Medium prioritySome fixes available 13 of 14
An out-of-bounds write flaw was found in X.Org and Xwayland. The function GetBarrierDevice() searches for the pointer device based on its device ID and returns the matching value, or supposedly NULL, if no match was...
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |
CVE-2025-26597
Medium prioritySome fixes available 13 of 14
A buffer overflow flaw was found in X.Org and Xwayland. If XkbChangeTypesOfKey() is called with a 0 group, it will resize the key symbols table to 0 but leave the key actions unchanged. If the same function is later called with a...
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |
CVE-2025-26596
Medium prioritySome fixes available 13 of 14
A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |
CVE-2025-26595
Medium prioritySome fixes available 13 of 14
A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of...
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |
CVE-2025-26594
Medium prioritySome fixes available 13 of 14
A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |
CVE-2024-9632
Medium prioritySome fixes available 13 of 14
A flaw was found in the X.org server. Due to improperly tracked allocation size in _XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service...
7 affected packages
xorg, xorg-hwe-16.04, xorg-hwe-18.04, xorg-server, xorg-server-hwe-16.04...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| xorg | Not affected | Not affected | Not affected | Not affected | Not affected |
| xorg-hwe-16.04 | Not in release | Not in release | Not in release | — | Not affected |
| xorg-hwe-18.04 | Not in release | Not in release | Not in release | Not affected | — |
| xorg-server | Fixed | Fixed | Fixed | Fixed | Fixed |
| xorg-server-hwe-16.04 | Not in release | Not in release | Not in release | — | Fixed |
| xorg-server-hwe-18.04 | Not in release | Not in release | Not in release | Fixed | — |
| xwayland | Fixed | Fixed | Not in release | — | — |