RHSA-2025:4049 — Security Advisory

Red Hat Security Advisory: libtasn1 security update

Loading…

Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · April 23, 2025

Updated · October 23, 2026

Topic

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.

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.

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.

Related CVEs

RHSA-2025:4049 — Red Hat Security Advisory: libtasn1 security update | PulseLinux