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- Snyk ID SNYK-DEBIAN11-GLIBC-1296898
- published 26 May 2021
- disclosed 25 May 2021
How to fix?
glibc to version 2.31-13+deb11u3 or higher.
Note: Versions mentioned in the description apply to the upstream
How to fix? for
Debian:11 relevant versions.
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.