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CVE-2025-49087

In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plainte

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.6.4
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Mbed mbedtls

    From 3.6.1 · fixed in 3.6.4

References 2

mbed-tls.readthedocs.io

GitHub · Mbed-TLS/mbedtls-docs