CVE-2026-5435
glibcVulnerabilityCVSS 7.3Patched
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 : 7.3 HIGH
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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 | - | - | affected (no fix yet) |
| Debian:13 | glibc | - | - | affected (no fix yet) |
| Debian:14 | glibc | - | - | affected (no fix yet) |
| Ubuntu:Pro:16.04:LTS | glibc | - | - | affected (no fix yet) |
| Ubuntu:Pro:18.04:LTS | glibc | - | - | affected (no fix yet) |
| Ubuntu:Pro:20.04:LTS | glibc | - | - | affected (no fix yet) |
| Ubuntu:22.04:LTS | glibc | - | - | affected (no fix yet) |
| Ubuntu:24.04:LTS | glibc | - | - | affected (no fix yet) |
| Ubuntu:25.10 | glibc | - | - | affected (no fix yet) |
| Ubuntu:26.04:LTS | glibc | - | - | affected (no fix yet) |
| SUSE:Linux Micro 6.1 | glibc | - | 2.38-slfo.1.1_9.1 | fixed |
| SUSE:Linux Micro 6.0 | glibc | - | 2.38-14.1 | fixed |
| SUSE:Linux Micro Extras 6.2 | glibc | - | 2.40-160000.6.1 | fixed |
| SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | glibc | - | 2.22-114.49.1 | fixed |
| SUSE:Linux Enterprise Micro 5.3 | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise Micro 5.4 | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise Micro 5.5 | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP5-LTSS | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP5 | glibc | - | 2.31-150300.104.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | glibc | - | 2.38-150600.14.52.1 | fixed |
| SUSE:Linux Enterprise Module for Development Tools 15 SP7 | glibc | - | 2.38-150600.14.52.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP6-LTSS | glibc | - | 2.38-150600.14.52.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP6 | glibc | - | 2.38-150600.14.52.1 | fixed |
| openSUSE:Tumbleweed | glibc | - | 2.43-4.1 | fixed |
| openSUSE:Leap 16.0 | glibc | - | 2.40-160000.6.1 | fixed |
| Red Hat:hummingbird:1 | glibc | - | 0:2.42-12.hum1 | fixed |
| Red Hat:enterprise_linux:10.2 | glibc | - | 0:2.39-128.el10_2 | fixed |
| Red Hat:enterprise_linux:8::baseos | glibc | - | 0:2.28-251.el8_10.40 | fixed |
| Red Hat:enterprise_linux:9::baseos | glibc | - | 0:2.34-274.el9_8 | fixed |