CVE-2025-49087

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.

Reserved 2025-05-30 | Published 2025-07-20 | Updated 2025-07-20 | Assigner mitre

Problem types

CWE-385 Covert Timing Channel

Product status

Default status
unaffected

3.6.1 before 3.6.4
affected

References

mbed-tls.readthedocs.io/...tech-updates/security-advisories/

github.com/...isories/mbedtls-security-advisory-2025-06-5.md

cve.org (CVE-2025-49087)

nvd.nist.gov (CVE-2025-49087)

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