Fedora 43 libtasn1 Critical Update CVE-2025-13151 Buffer Overflow Fix
fedora
March 19, 2026
Update to 4.21.0; fixes CVE-2025-13151
Summary
A library that provides Abstract Syntax Notation One (ASN.1, as specified
by the X.680 ITU-T recommendation) parsing and structures management, and
Distinguished Encoding Rules (DER, as per X.690) encoding and decoding functions.
Update Information:
Update to 4.21.0; fixes CVE-2025-13151
Topics Covered
Change Log
* Mon Mar 16 2026 Alexander Sosedkin
References
Fedora Update Notification
FEDORA-2026-4450956be5
2026-03-19 00:52:58.576835+00:00
Name : libtasn1
Product : Fedora 43
Version : 4.21.0
Release : 1.fc43
URL : https://www.gnu.org/software/libtasn1/
Summary : The ASN.1 library used in GNUTLS
Description :
A library that provides Abstract Syntax Notation One (ASN.1, as specified
by the X.680 ITU-T recommendation) parsing and structures management, and
Distinguished Encoding Rules (DER, as per X.690) encoding and decoding functions.
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-4450956be5' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Name: libtasn1
Product: Fedora 43
Version: 4.21.0
Release: 1.fc43
Summary: The ASN.1 library used in GNUTLS
Topics Covered
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