Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges×

Alerts This Week
Warning Icon 1 592
Alerts This Week
Warning Icon 1 592

SUSE glibc Moderate Buffer Overflow Security Fix 2026-2987-1

suse
Calendar Grey July 14, 2026
Scroller Suse
This security advisory addresses two vulnerabilities in glibc for SUSE, providing important fixes and update instructions.
A security update for glibc addresses two vulnerabilities in SUSE Linux Enterprise Server 12 SP5, improving its system integrity and stability with specific patch instructions prov...

Summary

## This update for glibc fixes the following issues: * CVE-2026-5435: resolv: More types as unknown in ns_sprintrrf (bsc#1263656, BZ #34033) * resolv: Check for inet_ntop failure in ns_sprintrrf * CVE-2026-6238: resolv: Fix buffer overreads in ns_sprintrrf (bsc#1263658, BZ #34069) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2987=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) * glibc-devel-static-2.22-114.49.1 * glibc-profile-2.22-114.49.1 * nscd-2.22-114.49.1

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SuSE glibc resolv

References

* bsc#1263656

* bsc#1263658

Cross-

* CVE-2026-5435

* CVE-2026-6238

CVSS scores:

* CVE-2026-5435 ( SUSE ): 4.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

* CVE-2026-5435 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

* CVE-2026-5435 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

* CVE-2026-6238 ( SUSE ): 4.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

* CVE-2026-6238 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

* CVE-2026-6238 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Affected Products:

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2987-1
Release Date: 2026-07-14T14:37:38Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SuSE glibc resolv

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.