VDB
DEBIAN-CVE-2021-33574
DEBIAN-CVE-2021-33574
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | glibc | 0, 0, 0 |
| Debian:12 | glibc | 0, 0, 0 |
| Debian:13 | glibc | 0, 0, 0 |
| Debian:11 | glibc | *, 2.31-13, 2.31-13+deb11u2 |
Timeline
- May 25, 2021 CVE Published
- Apr 28, 2026 CVE Updated