Name: CVE-2025-49087: Covert Timing Channel
Creator: Rapid7
Published: 2025-07-20T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-49087, CWE-385, CVSS 3.7, EPSS 0.0044

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.

CVSS Details

CVSS 3.1 Base Score: 3.7
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade mbedtls3Upgrade mbedtls	Aug 8, 2025	Jul 20, 2025
Debian	—	Upgrade mbedtls	Jul 23, 2026	Jul 23, 2026

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CVSS Details

Covered by Rapid7

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