JLSEC-2025-217 High 7.5

A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the...

JLSEC Published: Nov 21, 2025
Modified: Jul 23, 2026
Severity: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Packages: MbedTLS_jll < 2.28.0+0
Upstream: CVE-2021-43666

A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the mbedtls_pkcs12_derivation function when an input password's length is 0.

References

https://github.com/ARMmbed/mbedtls/issues/5136
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html