Debian/mbedtls: high 7.5
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.
Action: Upgrade mbedtls to 3.6.6-0.1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.6.6-0.1 | - |
Fixed versions
| 3.6.6-0.1 |
Sources
- osv: DEBIAN-CVE-2026-34874#Debian:14/mbedtls
- https://security-tracker.debian.org/tracker/CVE-2026-34874
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