CVE-2025-52497 – Mbed TLS PEM Parsing Heap Buffer Underflow Vulnerability

CVE ID : CVE-2025-52497

Published : July 4, 2025, 3:15 p.m. | 1 hour, 44 minutes ago

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.

Severity: 4.8 | MEDIUM

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