🛡️ AZL-57378 — xorg-x11-server-xwayland
Description
CVE-2025-26595 affecting package xorg-x11-server-Xwayland for versions less than 24.1.6-1
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 the buffer and would copy the data regardless of the size.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.
Affected software
AZL-57378 is recorded against 1 package.
- xorg-x11-server-xwayland (fixed in 24.1.6-1)
Timeline and source
Published on 25 February 2025 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| xorg-x11-server-xwayland | — | 24.1.6-1 |
References
Similar Threats
- Unknown ALSA-2025:20960
- Unknown ALSA-2025:21035
- Unknown ALSA-2025:19432
- Unknown ALSA-2025:19435
- Unknown ALSA-2025:9303
More AZL 5 advisories
Browse all of AZL 5 in the advisory index.
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