Compiler Optimization Removal or Modification of Security-critical Code Affecting mbedtls package, versions *
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-DEBIAN12-MBEDTLS-10627505
- published5 Jul 2025
- disclosed4 Jul 2025
Introduced: 4 Jul 2025
NewCVE-2025-52496 (opens in a new tab)How to fix?
There is no fixed version for Debian:12 mbedtls.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mbedtls package and not the mbedtls package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, or perform a GCM forgery.