Unrated

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 untru...

CVE-2025-52497 First seen on SecPulse Jul 4, 2025

Fix status by distribution

Fixed packages published by each distribution for this CVE

Alpine Linux ALPINE-CVE-2025-52497 mbedtls Fixed in: 3.6.4-r0
Debian DEBIAN-CVE-2025-52497 mbedtls Fixed in: 2.16.9-0.1+deb11u2

Original description The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

References

advisory github.com
advisory github.com
advisory nvd.nist.gov
web lists.debian.org

Key facts

Severity: Unrated
Published: Jul 4, 2025
First seen on SecPulse: Jul 4, 2025
CWE: CWE-193

NVD OSV

Detection sources

OSV.dev (Open Source Vulnerabilities)Oct 20, 20:08