A buffer overread caused by casting a negative integer to CARD32 in XvQueryImageAttributes in X.Org X Server before 21.1.26 and xwayland before 24.1.15 could be used to causes crashes by authenticated X clients.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
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