1. Ubuntu Security Notices
  2. USN-7275-2

USN-7275-2: Libtasn1 vulnerability

Publication date

20 February 2025

Overview

Libtasn1 could be made to crash if it received specially crafted network traffic.

Releases

Packages

Details

USN-7275-1 fixed vulnerabilities in Libtasn1. This update provides the
corresponding updates for Ubuntu 24.04 LTS.

Original advisory details:

Bing Shi discovered that Libtasn1 inefficiently handled certificates. An
attacker could possibly use this issue to increase resource utilization
leading to a denial of service.

USN-7275-1 fixed vulnerabilities in Libtasn1. This update provides the
corresponding updates for Ubuntu 24.04 LTS.

Original advisory details:

Bing Shi discovered that Libtasn1 inefficiently handled certificates. An
attacker could possibly use this issue to increase resource utilization
leading to a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
24.04 noble libtasn1-6 –  4.19.0-3ubuntu0.24.04.1
libtasn1-bin –  4.19.0-3ubuntu0.24.04.1

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References

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