CVE-2019-17624 EXPLOIT
7.8
HIGH · CVSS 3.1 · EPSS 3.7% (pctl 89)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.69% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-10-16 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| x.org | x server |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | X.Org X Server 1.20.4 - Local Stack Overflow | 2019-10-16 |
References
- http://packetstormsecurity.com/files/154868/X.Org-X-Server-1.20.4-Local-Stack-Overflow.html
- https://www.exploit-db.com/exploits/47507
- https://www.x.org/releases/individual/xserver/
- http://packetstormsecurity.com/files/154868/X.Org-X-Server-1.20.4-Local-Stack-Overflow.html
- https://www.exploit-db.com/exploits/47507
- https://www.x.org/releases/individual/xserver/
→ the Explorer · watch your stack · NVD