Debian/mbedtls: medium 6.5

Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade.

Action: Upgrade mbedtls to 3.6.6-0.1~deb13u1 or later.

Affected

Fixed versions

Sources

• osv: DEBIAN-CVE-2026-25834
• https://security-tracker.debian.org/tracker/CVE-2026-25834

published 2026-04-01T18:16:28.127Z · modified 2026-10-01T03:03:00.954823590Z · JSON