{"cve":"CVE-2025-62231","nvd":{"published":"2025-10-30T05:15:39.120","modified":"2026-07-01T15:17:04.210","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","score":7.3},"cwes":["CWE-190"],"references":["https://access.redhat.com/errata/RHSA-2025:19432","https://access.redhat.com/errata/RHSA-2025:19433","https://access.redhat.com/errata/RHSA-2025:19434","https://access.redhat.com/errata/RHSA-2025:19435","https://access.redhat.com/errata/RHSA-2025:19489"],"products":["debian:debian_linux","ibm:aix","ibm:vios","redhat:enterprise_linux","redhat:enterprise_linux_aus","redhat:enterprise_linux_els","redhat:enterprise_linux_eus","redhat:enterprise_linux_tus","redhat:enterprise_linux_update_services_for_sap_solutions","x.org:x_server","x.org:xwayland"],"source":"nvd","synced_at":"2026-10-19T22:14:53.307938015+00:00"},"epss":{"cve":"CVE-2025-62231","score":0.00297,"percentile":0.22433,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}