Stack-based Buffer Overflow in XQueryKeymap Function in X.Org X Server 1.20.4

Stack-based Buffer Overflow in XQueryKeymap Function in X.Org X Server 1.20.4

CVE-2019-17624 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

"" In X.Org X Server 1.20.4, there is a stack-based buffer overflow in the function XQueryKeymap. For example, by sending ct.c_char 1000 times, an attacker can cause a denial of service (application crash) or possibly have unspecified other impact. Note: It is disputed if the X.Org X Server is involved or if there is a stack overflow.

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