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SUSE Linux Enterprise 12 SP5 Security Notice 2026-1433-1 CVE-2026-4878

suse
Calendar Grey April 17, 2026
Dist Suse Esm H88
A critical update for SUSE's libcap addresses an important TOCTOU race condition vulnerability for secure operations.
An update that solves one vulnerability can now be installed.

Summary

## This update for libcap fixes the following issue: * CVE-2026-4878: Address a potential TOCTOU race condition in cap_set_file() (bsc#1261809). ## 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 zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1433=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1433=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) * libcap-debugsource-2.26-14.12.1 * libcap2-debuginfo-2.26-14.12.1 * libcap-progs-debuginfo-2.26-14.12.1

Topics%20covered

Topics Covered

security advisory SuSE important race condition libcap TOCTOU

References

* bsc#1261809

Cross-

* CVE-2026-4878

CVSS scores:

* CVE-2026-4878 ( SUSE ): 7.3

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

* CVE-2026-4878 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-4878 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-4878.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261809

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1433-1
Release Date: 2026-04-17T10:13:17Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important race condition libcap TOCTOU

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