high7.5
CVE-2026-34874
An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0.
Impact
An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Trustedfirmware | Mbed Tls | from 3.5.0 before 3.6.6 Version 4.0.0 |