{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"xwayland","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT14V7FF1RZEND93RWBZJ4","modified_at":"2026-10-01T03:03:27.026620963Z","published_at":"2026-07-08T09:16:29.800Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-55999","https://security-tracker.debian.org/tracker/CVE-2026-55999"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-55999#Debian:13/xwayland","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-55999"}],"summary":"Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph"}