CVE-2025-52497

MEDIUM

4.8

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.

CVE Details

CVSS v3.1 Score4.8

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published7/4/2025

Last Modified11/3/2025

Sourcenvd

Honeypot Sightings0

Affected Products

arm:mbed_tls

Weaknesses (CWE)

CWE-193

References

https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2025/08/msg00013.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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