This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-33574 →

DEBIAN-CVE-2021-33574

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 obj...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 glibc

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32-1"}]}]

Debian:13 glibc

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32-1"}]}]

Debian:14 glibc

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32-1"}]}]

References

advisory security-tracker.debian.org