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CVE

CVE-2024-55627

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Pr

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8.

MEDIUM · CVSS 5.9 EPSS 0.00244
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-191Integer Underflow (Wrap or Wraparound)
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
oisf suricata< 7.0.8
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Jan 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2025:15394-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebdPatch
https://github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4bePatch
https://github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432Patch
https://github.com/OISF/suricata/security/advisories/GHSA-h2mv-7gg8-8x7vVendor Advisory
https://redmine.openinfosecfoundation.org/issues/7393Permissions Required
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