CVE-2021-3998
glibcVulnerabilityPatched
No public exploitation has been reported so far. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Arch | glibc | 2.33-5 | 2.34-1 | fixed |
| Debian:12 | glibc | - | 2.33-4 | fixed |
| Debian:13 | glibc | - | 2.33-4 | fixed |
| Debian:14 | glibc | - | 2.33-4 | fixed |
| Ubuntu:18.04:LTS | glibc | - | 2.27-3ubuntu1.5 | fixed |
| Ubuntu:20.04:LTS | glibc | - | 2.31-0ubuntu9.7 | fixed |
| openSUSE:Tumbleweed | glibc | - | 2.35-1.1 | fixed |