CVE-2019-17624 json
"" In X.Org X Server 1.20.4, there is a stack-based buffer overflow in the function XQueryKeymap.
published 2019-10-16 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7940
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.7%
- EPSS 3.7% chance of exploitation in 30 days, percentile 89%
- public exploits
- 1
- Exploit-DB
Summary
"" 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.
Timeline
- First public exploit (EDB-47507)
- Published
Exploit prediction
3.69% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-47507 X.Org X Server 1.20.4 - Local Stack Overflow local, 2019-10-16
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
exploit-db.com
/exploits/47507
exploit, third-party-advisory, vdb-entry
-
x.org
/releases/individual/xserver/
release-notes, vendor-advisory
-
packetstormsecurity.com
/files/154868/X.Org-X-Server-1.20.4-Local-Stack-Overflow.html
third-party-advisory
Sources
- CVE List CVE-2019-17624
- NVD CVE-2019-17624
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