CVE-2021-3999
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:11 | glibc | - | 2.31-13+deb11u4 | fixed |
| Debian:12 | glibc | - | 2.33-4 | fixed |
| Debian:13 | glibc | - | 2.33-4 | fixed |
| Debian:14 | glibc | - | 2.33-4 | fixed |
| Debian:10 | glibc | - | 2.28-10+deb10u2 | fixed |
| Ubuntu:Pro:16.04:LTS | glibc | - | 2.23-0ubuntu11.3+esm1 | fixed |
| Ubuntu:18.04:LTS | glibc | - | 2.27-3ubuntu1.5 | fixed |
| Ubuntu:20.04:LTS | glibc | - | 2.31-0ubuntu9.7 | fixed |
| Ubuntu:Pro:16.04:LTS | glibc | - | 2.23-0ubuntu11.3+esm6 | fixed |
| Ubuntu:Pro:18.04:LTS | glibc | - | 2.27-3ubuntu1.6+esm2 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP3 | glibc | - | 2.31-150300.9.12.1 | fixed |
| SUSE:Linux Enterprise Module for Development Tools 15 SP3 | glibc | - | 2.31-150300.9.12.1 | fixed |
| SUSE:Linux Enterprise Micro 5.1 | glibc | - | 2.31-150300.9.12.1 | fixed |
| SUSE:OpenStack Cloud 9 | glibc | - | 2.22-114.19.1 | fixed |
| SUSE:OpenStack Cloud Crowbar 9 | glibc | - | 2.22-114.19.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | glibc | - | 2.22-114.19.1 | fixed |
| SUSE:Linux Enterprise Software Development Kit 12 SP5 | glibc | - | 2.22-114.19.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP4-LTSS | glibc | - | 2.22-114.19.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP5 | glibc | - | 2.22-114.19.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | glibc | - | 2.22-114.19.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15-ESPOS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15-LTSS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Real Time 15 SP2 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Server 15-LTSS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP1-BCL | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP1-LTSS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP2-BCL | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP2-LTSS | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP1 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP2 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Manager Proxy 4.1 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Manager Retail Branch Server 4.1 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Manager Server 4.1 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Linux Enterprise Micro 5.0 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Enterprise Storage 6 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:Enterprise Storage 7 | glibc | - | 2.26-13.65.1 | fixed |
| SUSE:HPE Helion OpenStack 8 | glibc | - | 2.22-119.1 | fixed |
| SUSE:OpenStack Cloud 8 | glibc | - | 2.22-119.1 | fixed |
| SUSE:OpenStack Cloud Crowbar 8 | glibc | - | 2.22-119.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | glibc | - | 2.22-119.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP2-BCL | glibc | - | 2.22-119.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP3-LTSS | glibc | - | 2.22-119.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP3-BCL | glibc | - | 2.22-119.1 | fixed |
| SUSE:Linux Enterprise Point of Sale 11 SP3 | glibc | - | 2.11.3-17.110.40.1 | fixed |
| SUSE:Linux Enterprise Server 11 SP4-LTSS | glibc | - | 2.11.3-17.110.40.1 | fixed |
| openSUSE:Leap 15.3 | glibc | - | 2.31-150300.9.12.1 | fixed |
| openSUSE:Tumbleweed | glibc | - | 2.35-1.1 | fixed |
| Red Hat:enterprise_linux:8::baseos | glibc | - | 0:2.28-164.el8_5.3 | fixed |