The DTLS retransmission implementation in OpenSSL 1.0.0 before 1.0.0l and 1.0.1 before 1.0.1f does not properly maintain data structures for digest and encryption contexts, which might allow man-in-the-middle attackers to trigger the use of a different context and cause a denial of service (application crash) by interfering with packet delivery, related to ssl/d1_both.c and ssl/t1_enc.c.
| Software | From | Fixed in |
|---|---|---|
| openssl / openssl | 1.0.1-beta2 | 1.0.1-beta2.x |
| openssl / openssl | 1.0.0c | 1.0.0c.x |
| openssl / openssl | 1.0.0i | 1.0.0i.x |
| openssl / openssl | 1.0.0-beta1 | 1.0.0-beta1.x |
| openssl / openssl | 1.0.0-beta2 | 1.0.0-beta2.x |
| openssl / openssl | 1.0.1c | 1.0.1c.x |
| openssl / openssl | 1.0.0h | 1.0.0h.x |
| openssl / openssl | 1.0.0-beta3 | 1.0.0-beta3.x |
| openssl / openssl | 1.0.0e | 1.0.0e.x |
| openssl / openssl | 1.0.1-beta3 | 1.0.1-beta3.x |
| openssl / openssl | 1.0.0f | 1.0.0f.x |
| openssl / openssl | 1.0.0d | 1.0.0d.x |
| openssl / openssl | 1.0.0j | 1.0.0j.x |
| openssl / openssl | 1.0.1a | 1.0.1a.x |
| openssl / openssl | 1.0.1-beta1 | 1.0.1-beta1.x |
| openssl / openssl | 1.0.1d | 1.0.1d.x |
| openssl / openssl | 1.0.0-beta4 | 1.0.0-beta4.x |
| openssl / openssl | 1.0.0 | 1.0.0.x |
| openssl / openssl | 1.0.1b | 1.0.1b.x |
| openssl / openssl | 1.0.1e | 1.0.1e.x |
| openssl / openssl | 1.0.0-beta5 | 1.0.0-beta5.x |
| openssl / openssl | 1.0.0a | 1.0.0a.x |
| openssl / openssl | 1.0.0b | 1.0.0b.x |
| openssl / openssl | 1.0.1 | 1.0.1.x |
| openssl / openssl | 1.0.0g | 1.0.0g.x |