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SUSE libarchive Advisory 2026-2747-1 on Critical Info Disclosure and Exec

suse
Calendar Grey July 3, 2026
Dist Suse Esm H88
SUSE updates libarchive to fix four issues, including info disclosure and code execution risks, ensuring system integrity.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for libarchive fixes the following issues * CVE-2025-60753: bsdtar hangs and OOMs with zero-length pattern matches (bsc#1253088). * CVE-2026-4424: information disclosure via heap out-of-bounds read in RAR archive processing (bsc#1259928). * CVE-2026-4426: undefined behavior due to unvalidated operand in shift expression of the zisofs decompression code (bsc#1259931). * CVE-2026-5121: arbitrary code execution via integer overflow in ISO9660 image processing (bsc#1261186). ## 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-2026-2747=1

Topics%20covered

Topics Covered

security advisory arbitrary code execution important information disclosure high-performance computing libarchive

References

* bsc#1253088

* bsc#1259928

* bsc#1259931

* bsc#1261186

Cross-

* CVE-2025-60753

* CVE-2026-4424

* CVE-2026-4426

* CVE-2026-5121

CVSS scores:

* CVE-2025-60753 ( SUSE ): 5.6

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

* CVE-2025-60753 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2025-60753 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2026-4424 ( SUSE ): 8.7

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

* CVE-2026-4424 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2026-4424 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2026-4424 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2026-4426 ( SUSE ): 8.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2747-1
Release Date: 2026-07-03T11:46:45Z
Rating: important

Topics%20covered

Topics Covered

security advisory arbitrary code execution important information disclosure high-performance computing libarchive

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