Use of Uninitialized Resource Affecting armmbed/mbedtls package, versions [,2.28.10)[3.0.0,3.6.3)
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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- published7 Apr 2025
- disclosed23 Mar 2025
- creditUnknown
Introduced: 23 Mar 2025
NewCVE-2025-27810 (opens in a new tab)How to fix?
Upgrade armmbed/mbedtls to version 2.28.10, 3.6.3 or higher.
Overview
Affected versions of this package are vulnerable to Use of Uninitialized Resource in the mbedtls_ssl_write_finished() function, which may access uninitialized stack memory. An attacker can time a failure in a different component to coincide with the composition of the Finished message, and thereby violate the guarantee of the TLS handshake.