Stack-based Buffer Overflow Affecting libbiosig package, versions [,3.9.1)
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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- published27 Aug 2025
- disclosed25 Aug 2025
- creditMark Bereza, Lilith
Introduced: 25 Aug 2025
NewCVE-2025-54493 (opens in a new tab)How to fix?
Upgrade libbiosig to version 3.9.1 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the MFER parsing functionality. An attacker can execute arbitrary code by supplying a specially crafted MFER file.