CVE-2019-17624

high

Description

"" 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.

References

https://www.x.org/releases/individual/xserver/

https://www.exploit-db.com/exploits/47507

http://packetstormsecurity.com/files/154868/X.Org-X-Server-1.20.4-Local-Stack-Overflow.html

Details

Source: Mitre, NVD

Published: 2019-10-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.03694