CVE-2007-0251
Integer underflow in the DecodeGRE function in src/decode.c in Snort 2.6.1.2 allows remote...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-0251- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-0251- Updated
- 2026-11-02
EUVDEUVD-2007-0253 No score
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.
- Record
EUVD-2007-0253- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-35hc-p777-hj85 No score
Integer underflow in the DecodeGRE function in src/decode.c in Snort 2.6.1.2 allows remote...
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.
- Record
GHSA-35hc-p777-hj85- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-0251 is a high vulnerability (CVSS 7.8) in Snort, published January 16, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.42%, the 84th percentile. No source names a fixed version.