1. Ubuntu Security Notices
  2. USN-7281-1

USN-7281-1: GnuTLS vulnerability

Publication date

20 February 2025

Overview

GnuTLS could be made to consume resources if it decoded specially crafted certificates.

Releases

Packages

Details

Bing Shi discovered that GnuTLS incorrectly handled decoding certain
DER-encoded certificates. A remote attacker could possibly use this issue
to cause GnuTLS to consume resources, leading to a denial of service.

Bing Shi discovered that GnuTLS incorrectly handled decoding certain
DER-encoded certificates. A remote attacker could possibly use this issue
to cause GnuTLS to consume resources, 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
24.10 oracular libgnutls30t64 –  3.8.6-2ubuntu1.1
24.04 noble libgnutls30t64 –  3.8.3-1.1ubuntu3.3
22.04 jammy libgnutls30 –  3.7.3-4ubuntu1.6
20.04 focal libgnutls30 –  3.6.13-2ubuntu1.12

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References

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