CVE-2025-52497

Published: Jul 4, 2025Modified: Jun 17, 2026

4.8

Vector

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

Exploitability: 2.2 / Impact: 2.5

Source: MITRE (Secondary)

Description

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.

Affected (1)

Products: Arm: Mbed Tls

Arm

1 product

Mbed Tls

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Arm Mbed Tls	Before 3.6.4

Related CWEs

CWE-193

Off-by-one Error

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

References (2)

https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md

Source: cve@mitre.org

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2025/08/msg00013.html

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.