{"id":"CVE-2021-33574","revision":"96e2b1e7389841ab83a76d7fbbbd0498","records":[{"revision":"96e2b1e7389841ab83a76d7fbbbd0498","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-33574","aliases":[],"title":"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) after it has been freed by the caller, …","description":"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) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.","state":0,"publishedAt":"2021-05-25T00:00:00+00:00","modifiedAt":"2026-10-14T11:44:13.185+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"version\": \"n/a\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://sourceware.org/bugzilla/show_bug.cgi?id=27896","https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/","https://security.netapp.com/advisory/ntap-20210629-0005/","https://security.gentoo.org/glsa/202107-07","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/","https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-33574","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-33574","identifiers":["CVE-2021-33574"]},"retained":false,"historicalAffected":[]}],"coverage":[]}