CVE-2025-4802
glibcVulnerabilityCVSS 7.8PatchedPoC
A public proof-of-concept or exploit code is available, raising the risk of active exploitation. 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 : 7.8 HIGH
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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 | - | 2.31-13+deb11u13 | fixed |
| Debian:12 | glibc | - | 2.36-9+deb12u11 | fixed |
| Debian:13 | glibc | - | 2.39-4 | fixed |
| Debian:14 | glibc | - | 2.39-4 | fixed |
| Ubuntu:Pro:18.04:LTS | glibc | - | 2.27-3ubuntu1.6+esm5 | fixed |
| Ubuntu:20.04:LTS | glibc | - | 2.31-0ubuntu9.18 | fixed |
| Ubuntu:22.04:LTS | glibc | - | 2.35-0ubuntu3.10 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP6 | glibc | - | 2.38-150600.14.32.1 | fixed |
| SUSE:Linux Enterprise Module for Development Tools 15 SP6 | glibc | - | 2.38-150600.14.32.1 | fixed |
| openSUSE:Leap 15.6 | glibc | - | 2.38-150600.14.32.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | glibc | - | 2.38-150600.14.32.1 | fixed |
| SUSE:Linux Enterprise Module for Development Tools 15 SP7 | glibc | - | 2.38-150600.14.32.1 | fixed |
| SUSE:Linux Enterprise Micro 5.3 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Micro 5.4 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Micro 5.5 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP3-LTSS | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP5-LTSS | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP3 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP5 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Manager Proxy 4.3 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Manager Server 4.3 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Micro 5.1 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Enterprise Micro 5.2 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Enterprise Storage 7.1 | glibc | - | 2.31-150300.95.1 | fixed |
| SUSE:Linux Micro 6.0 | glibc | - | 2.38-9.1 | fixed |
| SUSE:Linux Micro 6.1 | glibc | - | 2.38-slfo.1.1_4.1 | fixed |
| openSUSE:Tumbleweed | glibc | - | 2.41-3.1 | fixed |
| Red Hat:rhel_els:7 | glibc | - | 0:2.17-326.el7_9.5 | fixed |
| Red Hat:rhel_aus:7.7::server | glibc | - | 0:2.17-292.el7_7.3 | fixed |
| Red Hat:enterprise_linux:9::baseos | glibc | - | 0:2.34-168.el9_6.19 | fixed |
| Red Hat:enterprise_linux:8::baseos | glibc | - | 0:2.28-251.el8_10.22 | fixed |
| Red Hat:rhel_eus:9.4::baseos | glibc | - | 0:2.34-100.el9_4.12 | fixed |