{"cve":"CVE-2023-6478","nvd":{"published":"2023-12-13T07:15:31.213","modified":"2026-06-23T18:17:38.280","status":"Modified","description":"A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-190"],"references":["https://access.redhat.com/errata/RHSA-2023:7886","https://access.redhat.com/errata/RHSA-2024:0006","https://access.redhat.com/errata/RHSA-2024:0009","https://access.redhat.com/errata/RHSA-2024:0010","https://access.redhat.com/errata/RHSA-2024:0014"],"products":["debian:debian_linux","redhat:enterprise_linux_eus","tigervnc:tigervnc","x.org:x_server","x.org:xwayland"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2023-6478","score":0.01617,"percentile":0.76044,"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."]}