cvedb.io
CVE-2021-33574
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-05-25T22:15:10.410 · Last modified 2026-06-17T03:54:48.833

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) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.

Affected products

gnu — glibc

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References

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