Integer underflow in the EVP_DecodeUpdate function in crypto/evp/encode.c in the base64-decoding implementation in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via crafted base64 data that triggers a buffer overflow.
2015-03-19T22:59:10.690
2025-04-12T10:46:40.837
Deferred
CVSSv2: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | openssl | openssl | ≤ 0.9.8z | Yes |
Application | openssl | openssl | 1.0.0 | Yes |
Application | openssl | openssl | 1.0.0a | Yes |
Application | openssl | openssl | 1.0.0b | Yes |
Application | openssl | openssl | 1.0.0c | Yes |
Application | openssl | openssl | 1.0.0d | Yes |
Application | openssl | openssl | 1.0.0e | Yes |
Application | openssl | openssl | 1.0.0f | Yes |
Application | openssl | openssl | 1.0.0g | Yes |
Application | openssl | openssl | 1.0.0h | Yes |
Application | openssl | openssl | 1.0.0i | Yes |
Application | openssl | openssl | 1.0.0j | Yes |
Application | openssl | openssl | 1.0.0k | Yes |
Application | openssl | openssl | 1.0.0l | Yes |
Application | openssl | openssl | 1.0.1 | Yes |
Application | openssl | openssl | 1.0.1a | Yes |
Application | openssl | openssl | 1.0.1b | Yes |
Application | openssl | openssl | 1.0.1c | Yes |
Application | openssl | openssl | 1.0.1d | Yes |
Application | openssl | openssl | 1.0.1e | Yes |
Application | openssl | openssl | 1.0.1f | Yes |
Application | openssl | openssl | 1.0.1g | Yes |