SUSE-SU-2026:20592-1: moderate: Security update for 7zip

[SLE-UPDATES]

# Security update for 7zip

Announcement ID: SUSE-SU-2026:20592-1  
Release Date: 2026-02-26T11:53:30Z  
Rating: moderate  
References:

  * bsc#1246706
  * bsc#1246707
  * bsc#1249130

  
Cross-References:

  * CVE-2025-53816
  * CVE-2025-53817

  
CVSS scores:

  * CVE-2025-53816 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-53816 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
  * CVE-2025-53816 ( NVD ):  5.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/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-2025-53816 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-53817 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-53817 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2025-53817 ( NVD ):  5.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/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-2025-53817 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP Applications 16.0

  
  
An update that solves two vulnerabilities and has one fix can now be installed.

## Description:

This update for 7zip fixes the following issues:

  * Update to 25.01 (boo#1249130)
  * The code for handling symbolic links has been changed to provide greater
    security when extracting files from archives
  * Command line switch -snld20 can be used to bypass default security checks
    when creating symbolic links.

  * Update to 25.00:

  * bzip2 compression speed was increased by 15-40%.
  * deflate (zip/gz) compression speed was increased by 1-3%.
  * improved support for zip, cpio and fat archives.
  * CVE-2025-53816: Fixed input manipulation leading to heap buffer overflow
    (bsc#1246706)
  * CVE-2025-53817: Fixed null pointer dereference leading to denial of service
    (bsc#1246707)

## 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-315=1

  * SUSE Linux Enterprise Server for SAP Applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-315=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * 7zip-25.01-160000.1.1
  * SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
    * 7zip-25.01-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-53816.html
  * https://www.suse.com/security/cve/CVE-2025-53817.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1246706
  * https://bugzilla.suse.com/show_bug.cgi?id=1246707
  * https://bugzilla.suse.com/show_bug.cgi?id=1249130

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