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SUSE Low Patch for Two Vulnerabilities CVE-2026-56288 CVE-2026-56289

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Calendar Grey July 21, 2026
Scroller Suse
Two vulnerabilities fixed in SUSE security update for patch, addressing denial of service and null pointer dereference issues.
SUSE released a security update addressing two vulnerabilities identified as CVE-2026-56288 and CVE-2026-56289, which can lead to denial of service and null pointer dereference iss...

Summary

## This update for patch fixes the following issues * CVE-2026-56288: crafted unified-diff patch file can cause null pointer derefence (bsc#1271167). * CVE-2026-56289: improper validation of hunk line offsets can lead to denial of service (bsc#1271166). ## 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: * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3161=1 ## Package List: * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) * patch-2.7.6-150000.5.12.1 * patch-debugsource-2.7.6-150000.5.12.1 * patch-debuginfo-2.7.6-150000.5.12.1

Topics%20covered

Topics Covered

security advisory denial of service SuSE patch low CVE-2026-56289

References

* bsc#1271166

* bsc#1271167

Cross-

* CVE-2026-56288

* CVE-2026-56289

CVSS scores:

* CVE-2026-56288 ( SUSE ): 4.6

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

* CVE-2026-56288 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-56288 ( NVD ): 4.6

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/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

* CVE-2026-56288 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-56289 ( SUSE ): 4.6

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

* CVE-2026-56289 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-56289 ( NVD ): 4.6

Severity
low
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3161-1
Release Date: 2026-07-21T14:30:37Z
Rating: low

Topics%20covered

Topics Covered

security advisory denial of service SuSE patch low CVE-2026-56289

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