The default configuration on OpenSSL before 0.9.8 uses MD5 for creating message digests instead of a more cryptographically strong algorithm, which makes it easier for remote attackers to forge certificates with a valid certificate authority signature.
| Software | From | Fixed in |
|---|---|---|
| openssl / openssl | - | 0.9.8 |
| canonical / ubuntu_linux | 4.10 | 4.10.x |
| canonical / ubuntu_linux | 5.04 | 5.04.x |