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TI-2007-00242 Aliases CVE-2007-0251GHSA-35hc-p777-hj85

Integer underflow in the DecodeGRE function in src/decode.c in Snort 2.6.1.2 allows…

Priority LOW 39Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.02422 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:snort:snort:2.6.1.2:*:*:*:*:*:*:*2.6.1.2VulnerableSnort
  • cpe:2.3:a:snort:snort:2.6.1.2:*:*:*:*:*:*:* Versions 2.6.1.2 Vulnerable ·Snort

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-0251
  2. 2026-10-03 Alias added: GHSA-35hc-p777-hj85

References

Advisory 1

Other 5

  • TI-2006-05090 Stack-based buffer overflow in the DCE/RPC preprocessor in Snort before 2.6.1.3, and 2.7… CVSS 2.0HIGH 10.0
  • TI-2003-00029 Buffer overflow in the RPC preprocessor for Snort 1.8 and 1.9.x before 1.9.1 allows… CVSS 2.0HIGH 10.0
  • TI-2009-03477 Snort before 2.8.5.1, when the -v option is enabled, allows remote attackers to cause a… CVSS 2.0MEDIUM 4.3
  • TI-2016-01306 Untrusted search path vulnerability in Snort 2.9.7.0-WIN32 allows remote attackers to… CVSS 3.0HIGH 8.8
  • TI-2021-00950 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability CVSS 3.1HIGH 7.5
  • TI-2007-01340 The frag3 preprocessor in Snort 2.6.1.1, 2.6.1.2, and 2.7.0 beta, when configured for… CVSS 2.0HIGH 7.1
See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences