PT-2025-30211 · Arm · Mbed Tls

Doria Tang + 1 · Published 2025-06-30 · Updated 2025-07-20 · CVE-2025-49087

Positive Technologies (AI Summary)

CVSS v3.1

4.0

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Mbed TLS versions 3.6.1 through 3.6.3

Description A timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.

Recommendations Update to version 3.6.4 or later.

Exploit

Fix

Weakness Enumeration

CWE-385

Related Identifiers

BDU:2025-09511

CVE-2025-49087

Affected Products

Mbed Tls

References · 16

• 🔥 https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-5.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-49087 · Security Note
• https://ubuntu.com/security/CVE-2025-49087 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-49087 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2025-49087 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-49087 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-49087 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-49087 · Vendor Advisory
• https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09511 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-49087 · Vendor Advisory
• https://t.me/cvetracker/28285 · Telegram Post
• https://twitter.com/CVEnew/status/1947006248693735654 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1947023321096188406 · Twitter Post
• https://t.me/cvenotify/129622 · Telegram Post