CVE-2007-0251: Snort

High severity, CVSS 7.8. EPSS: 2.4% chance of exploitation in the next 30 days.

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.

Affected products

• Snort Snort: version 2.6.1.2 only

Published 2007-01-16. Last modified 2026-06-16.