CVE-2023-4806
glibcVulnerabilityCVSS 5.9Patched
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.
Severity metrics
CVSS 3.1 : 5.9 MEDIUM
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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 |
|---|---|---|---|---|
| Debian:11 | glibc | - | - | affected (no fix yet) |
| Debian:12 | glibc | - | 2.36-9+deb12u3 | fixed |
| Debian:13 | glibc | - | 2.37-10 | fixed |
| Debian:14 | glibc | - | 2.37-10 | fixed |
| Ubuntu:Pro:16.04:LTS | glibc | - | 2.23-0ubuntu11.3+esm5 | fixed |
| Ubuntu:Pro:18.04:LTS | glibc | - | 2.27-3ubuntu1.6+esm1 | fixed |
| Ubuntu:20.04:LTS | glibc | - | 2.31-0ubuntu9.14 | fixed |
| Ubuntu:22.04:LTS | glibc | - | 2.35-0ubuntu3.5 | fixed |
| openSUSE:Tumbleweed | glibc | - | 2.38-3.1 | fixed |
| Red Hat:enterprise_linux:9::baseos | glibc | - | 0:2.34-60.el9_2.7 | fixed |
| Red Hat:enterprise_linux:8::baseos | glibc | - | 0:2.28-225.el8_8.6 | fixed |
| Red Hat:rhel_eus:8.6::baseos | glibc | - | 0:2.28-189.8.el8_6 | fixed |