CVE-2021-43666
- Source
- https://cve.org/CVERecord?id=CVE-2021-43666
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43666.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-43666
- Downstream
- Published
- 2022-03-24T18:15:08.333Z
- Modified
- 2026-02-13T08:46:47.556182Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the mbedtlspkcs12derivation function when an input password's length is 0.
- References
-
- https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html
- https://github.com/ARMmbed/mbedtls/issues/5136
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
- https://github.com/ARMmbed/mbedtls/issues/5136
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
- https://github.com/ARMmbed/mbedtls/issues/5136
Affected packages
Git / github.com/armmbed/mbedtls
Affected ranges
- Type
- GIT
- Repo
- https://github.com/armmbed/mbedtls
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
Affected versions
Other
beta-oob-2
list
mbedos-2016q1-oob1
mbedos-2016q1-oob2
mbedos-2016q1-oob3
mbedos-release-15-11
mbedos-techcon-oob2
mbedos-16.*
mbedos-16.01-release
mbedos-16.03-release
mbedtls-1.*
mbedtls-1.3.10
mbedtls-1.4-dtls-preview
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.2
mbedtls-2.10.0
mbedtls-2.11.0
mbedtls-2.12.0
mbedtls-2.13.0
mbedtls-2.13.1
mbedtls-2.14.0
mbedtls-2.15.0
mbedtls-2.15.1
mbedtls-2.16.0
mbedtls-2.17.0
mbedtls-2.18.0
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.2.0
mbedtls-2.2.1
mbedtls-2.20.0
mbedtls-2.20.0d0
mbedtls-2.20.0d1
mbedtls-2.21.0
mbedtls-2.22.0
mbedtls-2.22.0d0
mbedtls-2.23.0
mbedtls-2.24.0
mbedtls-2.25.0
mbedtls-2.26.0
mbedtls-2.3.0
mbedtls-2.4.0
mbedtls-2.5.0
mbedtls-2.5.1
mbedtls-2.6.0
mbedtls-2.6.0-rc1
mbedtls-2.7.0
mbedtls-2.7.0-rc1
mbedtls-2.8.0
mbedtls-2.8.0-rc1
mbedtls-2.9.0
mbedtls-3.*
mbedtls-3.0.0
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.3
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9
v2.*
v2.23.0
v2.24.0
v2.25.0
v2.26.0
v3.*
v3.0.0
yotta-2.*
yotta-2.2.1
yotta-2.2.2
yotta-2.2.3
yotta-2.3.0
yotta-2.3.1