Red Hat alert RHSA-2025:4049-01 (libtasn1)

An update for libtasn1 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

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.

Security Fix(es):

* libtasn1: Inefficient DER Decoding in libtasn1 Leading to Potential Remote
DoS (CVE-2024-12133)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0
International License (https://creativecommons.org/licenses/by/4.0/). If you
distribute this content, or a modified version of it, you must provide
attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_4049.json