Use After Free Affecting mbedtls package, versions [,3.6.4)
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-CONAN-MBEDTLS-11775548
- published11 Aug 2025
- disclosed20 Jul 2025
- creditLinh Le, Ngan Nguyen
Introduced: 20 Jul 2025
NewCVE-2025-47917 (opens in a new tab)How to fix?
Upgrade mbedtls to version 3.6.4 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the mbedtls_x509_string_to_names function. An attacker can potentially achieve code execution, information disclosure, or cause a denial of service by triggering use of memory after it has been freed, such as by manipulating the san string to contain more than one DN in affected sample programs.