SUSE-SU-2026:20080-1: important: Security update for gpg2

[SLE-SECURITY-UPDATES]

# Security update for gpg2

Announcement ID: SUSE-SU-2026:20080-1  
Release Date: 2026-01-14T10:23:16Z  
Rating: important  
References:

  * bsc#1255715
  * bsc#1256244
  * bsc#1256246
  * bsc#1256390

  
Cross-References:

  * CVE-2025-68973

  
CVSS scores:

  * CVE-2025-68973 ( SUSE ):  8.0 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
  * CVE-2025-68973 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
  * CVE-2025-68973 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

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

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

## Description:

This update for gpg2 fixes the following issues:

  * CVE-2025-68973: out-of-bounds write when processing specially crafted input
    in the armor parser can lead to memory corruption (bsc#1255715).

Other security fixes:

  * gpg: Avoid potential downgrade to SHA1 in 3rd party key signatures
    (bsc#1256246).
  * gpg: Error out on unverified output for non-detached signatures
    (bsc#1256244).
  * gpg: Deprecate the option --not-dash-escaped (bsc#1256390).

## 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-16.0-138=1

  * SUSE Linux Enterprise Server for SAP Applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-138=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * gpg2-debugsource-2.5.5-160000.3.1
    * gpg2-tpm-2.5.5-160000.3.1
    * dirmngr-2.5.5-160000.3.1
    * gpg2-2.5.5-160000.3.1
    * gpg2-tpm-debuginfo-2.5.5-160000.3.1
    * dirmngr-debuginfo-2.5.5-160000.3.1
    * gpg2-debuginfo-2.5.5-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * gpg2-lang-2.5.5-160000.3.1
  * SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
    * gpg2-debugsource-2.5.5-160000.3.1
    * gpg2-tpm-2.5.5-160000.3.1
    * dirmngr-2.5.5-160000.3.1
    * gpg2-2.5.5-160000.3.1
    * gpg2-tpm-debuginfo-2.5.5-160000.3.1
    * dirmngr-debuginfo-2.5.5-160000.3.1
    * gpg2-debuginfo-2.5.5-160000.3.1
  * SUSE Linux Enterprise Server for SAP Applications 16.0 (noarch)
    * gpg2-lang-2.5.5-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-68973.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1255715
  * https://bugzilla.suse.com/show_bug.cgi?id=1256244
  * https://bugzilla.suse.com/show_bug.cgi?id=1256246
  * https://bugzilla.suse.com/show_bug.cgi?id=1256390

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