CVE-2026-34003EPSS p9.2%
CVE-2026-34003CVE-2026-34003
Description
A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash, leading to a Denial of Service (DoS). In certain configurations, higher impact outcomes may be possible.
Scoring
| CVSS | 7.8 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.19% probability of exploitation · percentile 9.2% · 2026-06-19T12:03:05Z |
| Last modified | 2026-06-08 |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.