Alerts This Week
Warning Icon 1 727
Alerts This Week
Warning Icon 1 727

SUSE: libtasn1 Moderate Buffer Overflow CVE-2025-13151 Advisory 2026:0118-1

suse
Calendar Grey January 13, 2026
Dist Suse Esm H88
Update resolves a moderate security risk for libtasn1 in SUSE Linux, patching a buffer overflow issue.
An update that solves one vulnerability can now be installed.

Summary

## This update for libtasn1 fixes the following issues: * CVE-2025-13151: stack-based buffer overflow in `asn1_expend_octet_string` (bsc#1256341). ## 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 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-118=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) * libtasn1-6-debuginfo-32bit-4.9-3.19.1 * libtasn1-debugsource-4.9-3.19.1 * libtasn1-6-32bit-4.9-3.19.1 * libtasn1-debuginfo-4.9-3.19.1 * libtasn1-6-4.9-3.19.1 * libtasn1-devel-4.9-3.19.1 * libtasn1-4.9-3.19.1

Topics%20covered

Topics Covered

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

References

* bsc#1256341

Cross-

* CVE-2025-13151

CVSS scores:

* CVE-2025-13151 ( SUSE ): 6.9

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

* CVE-2025-13151 ( SUSE ): 6.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

* CVE-2025-13151 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

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

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0118-1
Release Date: 2026-01-13T06:46:55Z
Rating: moderate

Topics%20covered

Topics Covered

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here