CVE-2025-49178
Medium
Published: 17 June 2025
Published
17 June 2025
Modified
15 April 2026
KEV Added
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Patch
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CVSS Score v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0023
45.9th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2025-49178 is a medium-severity Improper Locking (CWE-667) vulnerability in Freedesktop (inferred from references). Its CVSS base score is 5.5 (Medium).
Operationally, ranked at the 45.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-18501
Vulnerability details
A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Freedesktop
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inferred from references and description; NVD did not file a CPE for this CVE
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.