{"action":"Upgrade glibc to 2.32-1 or later.","affected":[{"fixed":"2.32-1","introduced":"0"}],"component":"glibc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.32-1"],"id":"tcs_01M5NFQS91SEM3731CNT463556","modified_at":"2026-10-15T09:47:29.951012914Z","published_at":"2021-05-25T22:15:10.410Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-33574","https://security-tracker.debian.org/tracker/CVE-2021-33574"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-33574#Debian:13/glibc","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-33574"}],"summary":"The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter)"}