Medium severity4.0NVD Advisory· Published Jul 20, 2025· Updated Jun 17, 2026

CVE-2025-49087

Description

In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.

AI Insight

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

Affected products

Arm/MbedTLS2 versions
cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:*range: >=3.6.1,<3.6.4
- (no CPE)range: 3.6.1 - 3.6.3
osv-coords
pkg:rpm/opensuse/mbedtls&distro=openSUSE%20Leap%2016.0
Range: < 3.6.6-bp160.1.1
Mbed/mbedtlsv5
Range: 3.6.1

Patches

Vulnerability mechanics

References

github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-5.mdnvdExploitThird Party Advisory
mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/nvdVendor Advisory

News mentions

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cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000