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openSUSE 15.6 libtasn1 Moderate Stack Buffer Overflow CVE-2025-13151

opensuse
Calendar Grey January 22, 2026
Dist Opensuse Esm H88
Update for openSUSE addressing a buffer overflow in libtasn1 enhancing overall system security.
An update that solves one vulnerability can now be installed.

Description

This update for libtasn1 fixes the following issues:

* CVE-2025-13151: stack-based buffer overflow in `asn1_expend_octet_string`

(bsc#1256341).

Topics%20covered

Topics Covered

security advisory moderate buffer overflow OpenSUSE libtasn1 cve-2025-13151

Patch

## 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 openSUSE-SLE-15.6-2026-224=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-224=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-224=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-224=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-224=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-224=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-224=1

* SUSE Linux Enterprise Micro 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-224=1

* SUSE Linux Enterprise Micro for Rancher 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-224=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* libtasn1-4.13-150000.4.14.1

* libtasn1-6-4.13-150000.4.14.1

* libtasn1-debugsource-4.13-150000.4.14.1

* libtasn1-6-debuginfo-4.13-150000.4.14.1

* libtasn1-devel-4.13-150000.4.14.1

* libtasn1-debuginfo-4.13-150000.4.14.1

* openSUSE Leap 15.6 (x86_64)

* libtasn1-devel-32bit-4.13-150000.4.14.1

* libtasn1-6-32bit-4.13-150000.4.14.1

* libtasn1-6-32bit-debuginfo-4.13-150000.4.14.1

* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)

* libtasn1-4.13-150000.4.14.1

* libtasn1-6-4.13-150000.4.14.1

* libtasn1-debugsource-4.13-150000.4.14.1

* libtasn1-6-debuginfo-4.13-150000.4.14.1

* libtasn1-debuginfo-4.13-150000.4.14.1

* SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)

* libtasn1-4.13-150000.4.14.1

* libtasn1-6-4.13-150000.4.14.1

* libtasn1-debugsource-4.13-150000.4.14.1

* libtasn1-6-debuginfo-4.13-150000.4.14.1

* libtasn1-debuginfo-4.13-150000.4.14.1

* SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)

*...

Read the Full Advisory

References

* bsc#1256341

## References:

* https://www.suse.com/security/cve/CVE-2025-13151.html

* https://bugzilla.suse.com/show_bug.cgi?id=1256341

Announcement ID: SUSE-SU-2026:0224-1
Release Date: 2026-01-22T12:18:39Z
Affected Products: * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Micro for Rancher 5.2 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory moderate buffer overflow OpenSUSE libtasn1 cve-2025-13151

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