Summary
It was discovered that X.Org X Server incorrectly handled certain data.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2024-31080, CVE-2024-31081, CVE-2024-31082)
It was discovered that X.Org X Server incorrectly handled certain glyphs.
An attacker could possibly use this issue to cause a crash or expose sensitive
information. (CVE-2024-31083)
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | xorg-server | 2:1.20.13-1ubuntu1~20.04.16 |
| Ubuntu · 22.04 LTS 22.04:LTS | xorg-server | 2:21.1.4-2ubuntu1.7~22.04.9 |
| Ubuntu · 22.04 LTS 22.04:LTS | xwayland | 2:22.1.1-1ubuntu0.12 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | xorg-server | 2:1.15.1-0ubuntu2.11+esm11 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | xorg-server | 2:1.18.4-0ubuntu0.12+esm12 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | xorg-server | 2:1.19.6-1ubuntu4.15+esm7 |
Vulnerabilities 4
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High 7.8
Xorg-x11-server: use-after-free in procrenderaddglyphs
A use-after-free vulnerability was found in the ProcRenderAddGlyphs() function of Xorg servers. This issue occurs when AllocateGlyph() is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the …
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High 7.3
Xorg-x11-server: heap buffer overread/data leakage in procxigetselectedevents
A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIGetSelectedEvents() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly …
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High 7.3
Xorg-x11-server: heap buffer overread/data leakage in procxipassivegrabdevice
A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly …
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High 7.3
Xorg-x11-server: heap buffer overread/data leakage in procappledricreatepixmap
A heap-based buffer over-read vulnerability was found in the X.org server's ProcAppleDRICreatePixmap() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly…