High severity7.8NVD Advisory· Published Jul 4, 2025· Updated Jun 17, 2026

CVE-2025-52496

Description

Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, or perform a GCM forgery.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

osv-coords3 versions
pkg:rpm/opensuse/mbedtls&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/mbedtls-2&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/mbedtls-2&distro=openSUSE%20Leap%2016.0
< 3.6.6-bp160.1.1+ 2 more
- (no CPE)range: < 3.6.6-bp160.1.1
- (no CPE)range: < 2.28.10-5.1
- (no CPE)range: < 2.28.10-bp160.2.1
Arm/MbedTLSllm-create2 versions
<3.6.4+ 1 more
- (no CPE)range: <3.6.4
- cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*range: <3.6.4
Arm/mbedtls-docsllm-create
Range: <3.6.4
Mbed/mbedtlsv5
Range: 0

Patches

Vulnerability mechanics

References

github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-1.mdnvdExploitThird Party Advisory
lists.debian.org/debian-lts-announce/2025/08/msg00013.htmlnvd

News mentions

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cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000