Multiple buffer underflows in the base64 decoder in base64.c in (1) bogofilter and (2) bogolexer in bogofilter before 1.2.2 allow remote attackers to cause a denial of service (heap memory corruption and application crash) via an e-mail message with invalid base64 data that begins with an = (equals) character.
2010-07-08T18:30:00.953
2025-04-11T00:51:21.963
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | bogofilter | bogofilter | ≤ 1.2.1 | Yes |
| Application | bogofilter | bogofilter | 1.0.0 | Yes |
| Application | bogofilter | bogofilter | 1.0.1 | Yes |
| Application | bogofilter | bogofilter | 1.0.2 | Yes |
| Application | bogofilter | bogofilter | 1.0.3 | Yes |
| Application | bogofilter | bogofilter | 1.1.0 | Yes |
| Application | bogofilter | bogofilter | 1.1.1 | Yes |
| Application | bogofilter | bogofilter | 1.1.2 | Yes |
| Application | bogofilter | bogofilter | 1.1.3 | Yes |
| Application | bogofilter | bogofilter | 1.1.4 | Yes |
| Application | bogofilter | bogofilter | 1.1.5 | Yes |
| Application | bogofilter | bogofilter | 1.1.6 | Yes |
| Application | bogofilter | bogofilter | 1.1.7 | Yes |
| Application | bogofilter | bogofilter | 1.2.0 | Yes |