High severity7.8NVD Advisory· Published Oct 16, 2019· Updated Jun 17, 2026
CVE-2019-17624
CVE-2019-17624
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.
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Affected products
3- X.Org/X.Org X Serverdescription
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/47507nvdExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/154868/X.Org-X-Server-1.20.4-Local-Stack-Overflow.htmlnvdThird Party Advisory
- www.x.org/releases/individual/xserver/nvdRelease NotesVendor Advisory
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