{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"xwayland","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NN7NSP0GY25P8Z5JR12M9F","modified_at":"2026-11-05T10:00:15.000918284Z","published_at":"2025-02-25T16:15:38.603Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-26596","https://security-tracker.debian.org/tracker/CVE-2025-26596"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-26596#Debian:12/xwayland","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-26596"}],"summary":"A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflo"}