Inefficient Algorithmic Complexity Affecting libexpat 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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- published28 Nov 2025
- disclosed28 Nov 2025
- creditSebastian Pipping
Introduced: 28 Nov 2025
NewCVE-2025-66382 (opens in a new tab)How to fix?
There is no fixed version for libexpat.
Overview
Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the processing of a specially crafted file of approximately 2 MiB in size. An attacker can cause significant delays in processing by submitting such a file.