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SUSE Libcap Important TOCTOU Race Condition Vuln 2026-1432-1

suse
Calendar Grey April 17, 2026
Dist Suse Esm H88
SUSE libcap update resolves important security issue related to TOCTOU race condition; installation instructions included.
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: * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-1432=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-1432=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-1432=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-1432=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-1432=1 * SUSE Linux Enterprise Micro 5.5

Topics%20covered

Topics Covered

security advisory update SuSE important race condition libcap

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:

* Basesystem Module 15-SP7

* openSUSE Leap 15.4

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

* SUSE Linux Enterprise Micro 5.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1432-1
Release Date: 2026-04-17T10:13:04Z
Rating: important

Topics%20covered

Topics Covered

security advisory update SuSE important race condition libcap

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