CVE-2025-49087 – Mbed TLS Block Cipher Padding Timing Attack

The following table lists the changes that have been made to the
CVE-2025-49087 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 20, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
    Added CWE CWE-385
    Added Reference https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-5.md
    Added Reference https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/
Share the Post:

Related Posts