SUSE-SU-2025:20472-1: moderate: Security update for gpg2

[SLE-UPDATES]

# Security update for gpg2

Announcement ID: SUSE-SU-2025:20472-1  
Release Date: 2025-07-08T16:15:02Z  
Rating: moderate  
References:

  * bsc#1236931
  * bsc#1239119
  * bsc#1243069

  
Cross-References:

  * CVE-2025-30258

  
CVSS scores:

  * CVE-2025-30258 ( SUSE ):  1.8
    CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-30258 ( SUSE ):  2.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L
  * CVE-2025-30258 ( NVD ):  2.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves one vulnerability and has two fixes can now be installed.

## Description:

This update for gpg2 fixes the following issues:

  * CVE-2025-30258: Fix a verification DoS due to a malicious subkey in the
    keyring: [bsc#1239119, bsc#1236931]]
  * gpg: Fix regression for the recent malicious subkey DoS fix.
  * gpg: Fix another regression due to the T7547 fix.
  * gpg: Allow the use of an ADSK subkey as ADSK subkey.

  * Don't install expired sks certificate [bsc#1243069]

## 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 Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-173=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * gpg2-debugsource-2.4.4-slfo.1.1_5.1
    * gpg2-debuginfo-2.4.4-slfo.1.1_5.1
    * gpg2-2.4.4-slfo.1.1_5.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-30258.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1236931
  * https://bugzilla.suse.com/show_bug.cgi?id=1239119
  * https://bugzilla.suse.com/show_bug.cgi?id=1243069

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