Uncontrolled Recursion The advisory has been revoked - it doesn't affect any version of package expat (opens in a new tab)

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Snyk IDSNYK-UBUNTU2004-EXPAT-9406614
published18 Mar 2025
disclosed14 Mar 2025

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Introduced: 14 Mar 2025

CVE-2024-8176 (opens in a new tab) CWE-674 (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.

A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash. This issue could lead to denial of service (DoS) or, in some cases, exploitable memory corruption, depending on the environment and library usage.