Dependency on Vulnerable Third-Party Component Affecting libtom/libtommath package, versions [,1.2.1)
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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Test your applications- Snyk IDSNYK-UNMANAGED-LIBTOMLIBTOMMATH-11344795
- published31 Jul 2025
- disclosed16 Jul 2025
- creditUnknown
Introduced: 16 Jul 2025
CVE-2025-40913 (opens in a new tab)How to fix?
Upgrade libtom/libtommath to version 1.2.1 or higher.
Overview
Affected versions of this package are vulnerable to Dependency on Vulnerable Third-Party Component via the bn_mp_grow function. An attacker can cause unexpected behavior or potentially execute arbitrary code by providing specially crafted input that triggers an integer overflow in the embedded dependency.