NULL Pointer Dereference Affecting expat package, versions [0,]
Threat Intelligence
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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- published25 Jan 2026
- disclosed23 Jan 2026
- creditUnknown
Introduced: 23 Jan 2026
CVE-2026-24515 (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 NULL Pointer Dereference due to improper handling of user data in the XML_ExternalEntityParserCreate function. An attacker can cause a denial of service by supplying crafted input that triggers a null pointer dereference.