Uncontrolled Recursion Affecting libxml2 package, versions [,2.15.2)
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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- published16 Jan 2026
- disclosed15 Jan 2026
- creditUnknown
Introduced: 15 Jan 2026
CVE-2026-0989 (opens in a new tab)How to fix?
Upgrade libxml2 to version 2.15.2 or higher.
Overview
Affected versions of this package are vulnerable to Uncontrolled Recursion via the RelaxNG schema inclusion process. An attacker can cause stack exhaustion and application crashes by supplying maliciously crafted or deeply nested schema files that trigger unbounded recursion during parsing.