Description
Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509_inet_pton_ipv6() function
Scores
CVSS v3
7.5
EPSS
0.0005
EPSS Percentile
15.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-121
Status
published
Products (2)
arm/mbed_tls
4.0.0
arm/mbed_tls
3.5.0 - 3.6.6
Published
Apr 01, 2026
Tracked Since
Apr 02, 2026