Description
PolarSSL 1.3.8 does not properly negotiate the signature algorithm to use, which allows remote attackers to conduct downgrade attacks via unspecified vectors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | mbedtls | 2.4.0-1.2 | openSUSE-SU-2024:10088-1 |
| openSUSE Tumbleweed | mbedtls-2 | 2.28.3-1.1 | openSUSE-SU-2024:12903-1 |
| openSUSE Tumbleweed | mbedtls-3 | 3.6.6-1.1 | openSUSE-SU-2026:11119-1 |
Advisories 3
- openSUSE-SU-2026:11119-1 libeverest-3.6.6-1.1 on GA media SUSE / openSUSE Security Updates · Jun 26, 2026
- openSUSE-SU-2024:10088-1 libmbedcrypto0-2.4.0-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12903-1 libmbedcrypto7-2.28.3-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- openSUSE-SU-2014:1457 vendor-advisory
- https://polarssl.org/tech-updates/releases/polarssl-1.3.9-released
- 61220 third-party-advisory