USN-7740-1: LibEtPan vulnerability

Publication date

8 September 2025

Overview

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


Packages

  • libetpan - Mail Framework for C Language

Details

It was discovered that LibEtPan incorrectly handled memory when parsing
IMAP STATUS responses. A remote attacker could possibly use this issue to
cause LibEtPan to crash, resulting in a denial of service.

It was discovered that LibEtPan incorrectly handled memory when parsing
IMAP STATUS responses. A remote attacker could possibly use this issue to
cause LibEtPan to crash, resulting in 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
22.04 jammy libetpan20 –  1.9.4-3+deb11u1build0.22.04.1
20.04 focal libetpan20 –  1.9.4-2ubuntu0.1~esm1  
18.04 bionic libetpan20 –  1.8.0-1ubuntu0.1~esm1  
16.04 xenial libetpan17 –  1.6-1ubuntu0.1+esm1  

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