{"action":"Upgrade xorg-server to 2:21.1.16-1 or later.","affected":[{"fixed":"2:21.1.16-1","introduced":"0"}],"component":"xorg-server","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2:21.1.16-1"],"id":"tcs_01M5NN7MSC7T5YKEZ62033VT1S","modified_at":"2026-09-01T20:05:44.997538844Z","published_at":"2025-02-25T16:15:38.390Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-26595","https://security-tracker.debian.org/tracker/CVE-2025-26595"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-26595#Debian:13/xorg-server","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-26595"}],"summary":"A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code"}