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SUSE: gpg2 Important Memory Corruption Fix Advisory CVE-2025-68973

suse
Calendar Grey January 20, 2026
Dist Suse Esm H88
A security update for gpg2 addresses an important memory issue in SUSE systems. Installation guidance included here.
An update that solves one vulnerability and has three fixes can now be installed.

Summary

## 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

Topics%20covered

Topics Covered

security advisory security update SuSE memory corruption important gpg2

References

* bsc#1255715

* bsc#1256244

* bsc#1256246

* bsc#1256390

Cross-

* 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.

##

* 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

Severity
important
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory security update SuSE memory corruption important gpg2

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