GHSA-h4r4-6hvf-34r8 · Severity: high — A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds...
A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.
Conclusion & alert: CVE-2025-62231 is rated Low Risk (30/100): CVSS High severity, with low exploitation likelihood (EPSS 0.01%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-10-30 | — | 0.01% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.3 | 3.1 | HIGH |
|
1.8 | 5.5 | [email protected] |
GHSA-h4r4-6hvf-34r8 · Severity: high — A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds...
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2025-62231: 2 source package rows (xorg-server, xwayland); 5 state rows across 3 repos (3.22-community, 3.23-community, edge-community); fixed 5, open 0. | https://security.alpinelinux.org/vuln/CVE-2025-62231 |
debian
|
not yet assigned | CVE-2025-62231 not yet assigned priority: Debian including 2 source packages (xorg-server, xwayland), 9 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 7, open 2. | https://security-tracker.debian.org/tracker/CVE-2025-62231 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-62231 |
suse
|
high | — | https://www.suse.com/security/cve/CVE-2025-62231/ |
ubuntu
|
medium | CVE-2025-62231 medium priority: Ubuntu including 7 source packages (xorg, xorg-hwe-16.04, …), 46 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 16, not-affected 12, released 10, needs-triage 8. | https://ubuntu.com/security/CVE-2025-62231 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||