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SUSE gpg2 Important Buffer Overflow Vuln CVE-2026-24882 2026-0434-1

suse
Calendar Grey February 11, 2026
Dist Suse Esm H88
Critical security fix for gpg2 addressing buffer overflow in TPM. Update recommended for SUSE users as vulnerabilities may expose systems.
An update that solves one vulnerability and has one security fix can now be installed.

Summary

## This update for gpg2 fixes the following issues: Security fixes: * CVE-2026-24882: Fixed stack-based buffer overflow in TPM2 PKDECRYPT for TPM- backed RSA and ECC keys (bsc#1257396) * Fixed GnuPG accepting Path Separators and Path Traversals in Literal Data "Filename" Field (bsc#1256389) ## 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: * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-434=1 openSUSE-SLE-15.6-2026-434=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-434=1 * SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-434=1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important TPM security gpg2

References

* bsc#1256389

* bsc#1257396

Cross-

* CVE-2026-24882

CVSS scores:

* CVE-2026-24882 ( SUSE ): 8.5

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

* CVE-2026-24882 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-24882 ( NVD ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-24882 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* Basesystem Module 15-SP7

* openSUSE Leap 15.6

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP6

* SUSE Linux Enterprise Server 15 SP6 LTSS

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0434-1
Release Date: 2026-02-11T09:23:35Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important TPM security gpg2

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