Integer underflow in the DecodeGRE function in src/decode.c in Snort 2.6.1.2 allows remote attackers to trigger dereferencing of certain memory locations via crafted GRE packets, which may cause corruption of log files or writing of sensitive information into log files.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Snort | Snort | 2.6.1.2 (including) | 2.6.1.2 (including) |
| Snort | Ubuntu | upstream | * |