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openSUSE 15.3 SUSE-SU-2026-1659-1 sed Moderate DoS CVE-2026-5958

suse
Calendar Grey April 29, 2026
Dist Suse Esm H88
Critical security update for sed on openSUSE 15.3 resolves a moderate threat to system integrity. Update now!
An update that solves one vulnerability can now be installed.

Summary

## This update for sed fixes the following issues: * CVE-2026-5958: TOCTOU race allows write of user-controlled content to unintended files and can lead to arbitrary file overwrite (bsc#1262144). ## 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 15.3 zypper in -t patch SUSE-2026-1659=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-1659=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-1659=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-1659=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-1659=1

Topics%20covered

Topics Covered

security advisory moderate DoS arbitrary overwrite OpenSUSE sed

References

* bsc#1262144

Cross-

* CVE-2026-5958

CVSS scores:

* CVE-2026-5958 ( SUSE ): 2.1

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

* CVE-2026-5958 ( SUSE ): 6.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N

* CVE-2026-5958 ( NVD ): 2.1

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Products:

* openSUSE Leap 15.3

* SUSE Linux Enterprise Micro 5.2

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Micro for Rancher 5.2

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

Announcement ID: SUSE-SU-2026:1659-1
Release Date: 2026-04-29T11:09:24Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate DoS arbitrary overwrite OpenSUSE sed

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