SUSE Linux 16.0 libtasn1 Moderate Stack Overflow Vuln 2026-21142-1
suse
April 21, 2026
An update that solves one vulnerability can now be installed.
Summary
## This update for libtasn1 fixes the following issues: * CVE-2025-13151: lack of validation of input data size leads to 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 16.0 zypper in -t patch SUSE-SLES-16.0-484=1 * SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-484=1 ## Package List: * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64) * libtasn1-tools-4.21.0-160000.1.1 * libtasn1-tools-debuginfo-4.21.0-160000.1.1 * libtasn1-6-debuginfo-4.21.0-160000.1.1
Topics Covered
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 16.0
* SUSE Linux Enterprise Server for SAP applications 16.0
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
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Announcement ID: SUSE-SU-2026:21142-1
Release Date: 2026-04-07T14:33:05Z
Rating: moderate
Topics Covered
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