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cvelistMitreCVELIST:CVE-2021-33574
HistoryMay 25, 2021 - 12:00 a.m.

CVE-2021-33574

2021-05-2500:00:00
mitre
www.cve.org
2

8.9 High

AI Score

Confidence

High

0.014 Low

EPSS

Percentile

86.4%

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.