Uncontrolled Recursion Affecting libxml2 package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-LIBXML2-15010798
- published16 Jan 2026
- disclosed15 Jan 2026
- creditNick Wellnhofer
Introduced: 15 Jan 2026
CVE-2026-0990 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Uncontrolled Recursion via the xmlCatalogXMLResolveURI() function when processing XML catalogs containing self-referencing delegate URI entries. An attacker can cause affected applications to crash by supplying a specially crafted XML catalog that triggers infinite recursion and stack exhaustion.