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 padding mode is used.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
mitreCNA
4 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
VendorProductVersion
armmbed_tls
3.6.1 ≤
𝑥
< 3.6.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mbedtls
bullseye
2.16.9-0.1
not-affected
bookworm
2.28.3-1
not-affected
bullseye (security)
2.16.9-0.1+deb11u3
fixed
forky
3.6.4-2
fixed
sid
3.6.4-2
fixed
trixie
3.6.4-2
fixed