CVE-2025-49087: 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…

PriorityP415low3.7CVSS 3.1

AVNACHPRNUINSUCLINAN

EPSS

0.40%

31.4th percentile

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.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
debian	mbedtls	< mbedtls 3.6.4-1 (forky)	mbedtls 3.6.4-1 (forky)
mbed	mbedtls	>= 0 < 3.6.4-1	3.6.4-1
mbed	mbedtls	>= 0 < 3.6.4-1	3.6.4-1
mbed	mbedtls	>= 3.6.1 < 3.6.4	3.6.4
trustedfirmware	mbed_tls	>= 3.6.1 < 3.6.4	3.6.4

CVSS provenance

nvdv3.13.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

osv3.7LOW

vendor_debian4.0LOW

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