CVE-2025-52497 MEDIUM

CVE-2025-52497

Vendor Mbed
Product mbedtls
Weakness CWE-193
Published July 4, 2025
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

What the vulnerability does

01Description

Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.

Key dates

02Disclosure timeline

July 4, 2025 CVE published
November 3, 2025 Record updated