{"action":"Upgrade mesa to 25.0.7-2+deb13u1 or later.","affected":[{"fixed":"25.0.7-2+deb13u1","introduced":"0"}],"component":"mesa","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["25.0.7-2+deb13u1"],"id":"tcs_01M5NRXV9XGEJPRC4T0CB2R4V2","modified_at":"2026-10-27T09:47:36.014811504Z","published_at":"2026-04-12T19:16:20.797Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-40393","https://security-tracker.debian.org/tracker/CVE-2026-40393"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-40393#Debian:13/mesa","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-40393"}],"summary":"In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party, and is then used for alloca."}