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CVE-2024-55627

Date: January 6, 2025

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.

Severity Score

Related Resources (8)

https://redmine.openinfosecfoundation.org/issues/7393
https://github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebd
https://github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4be
https://github.com/OISF/suricata/security/advisories/GHSA-h2mv-7gg8-8x7v
https://github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432
https://nvd.nist.gov/vuln/detail/CVE-2024-55627
https://security-tracker.debian.org/tracker/CVE-2024-55627
https://www.mend.io/vulnerability-database/CVE-2024-55627

Severity Score

Weakness Type (CWE)

Integer Underflow (Wrap or Wraparound)

CWE-191

Out-of-bounds Write

CWE-787

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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