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CVE-2024-55627

Suricata segfault on StreamingBufferSlideToOffsetWithRegions

5.9 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.01%Up 1.0 points since Jan 7, 2025
90%50%10%1%

What each source reports

CVE List Score used 5.9

Suricata segfault on StreamingBufferSlideToOffsetWithRegions

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.

Record
CVE-2024-55627
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-191, CWE-122
Updated
2026-11-02
EUVDEUVD-2024-52825 5.9

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.

Record
EUVD-2024-52825
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
NVD 5.9

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.

Record
CVE-2024-55627
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-122, CWE-191, CWE-787
Updated
2026-11-02
OSVALPINE-CVE-2024-55627 7.5

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.

Record
ALPINE-CVE-2024-55627
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSV 5.9

Suricata segfault on StreamingBufferSlideToOffsetWithRegions

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.

Record
CVE-2024-55627
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-122, CWE-191
Updated
2026-11-02
OSVDEBIAN-CVE-2024-55627 7.5

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.

Record
DEBIAN-CVE-2024-55627
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2024-55627 5.9

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.

Record
UBUNTU-CVE-2024-55627
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2026-0181 No score

Updated suricata packages fix security vulnerabilities

Various security, performance, accuracy, and stability issues have been fixed, plus we have moved to a supported version.

Record
MGASA-2026-0181
Updated
2026-11-02
OSVopenSUSE-SU-2025:15394-1 No score

libsuricata8_0_0-8.0.0-1.1 on GA media

These are all security issues fixed in the libsuricata8_0_0-8.0.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:15394-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
suricata
Alpine:v3.21
before 7.0.8-r0
7.0.8-r0
suricata
Alpine:v3.22
before 7.0.8-r0
7.0.8-r0
suricata
Alpine:v3.23
before 7.0.8-r0
7.0.8-r0
suricata
Alpine:v3.24
before 7.0.8-r0
7.0.8-r0
suricata
Debian:13
before 1:7.0.8-1
1:7.0.8-1
suricata
Debian:14
before 1:7.0.8-1
1:7.0.8-1
suricata
Mageia:9
From an advisory covering 14 CVEs
before 7.0.10-1.mga9
7.0.10-1.mga9
suricata
Ubuntu:16.04:LTS
All versions, plus listed versions
2.0.8-1build12.0.9-12.0.10-12.0.10-22.0.11-13.0-1
None known
suricata
Ubuntu:18.04:LTS
All versions, plus listed versions
3.2-2ubuntu3
None known
suricata
Ubuntu:22.04:LTS
All versions, plus listed versions
1:6.0.4-21:6.0.4-3
None known
suricata
Ubuntu:24.04:LTS
All versions, plus listed versions
1:7.0.0-21:7.0.2-11:7.0.2-1build11:7.0.3-1build11:7.0.3-1build3
None known
suricata
openSUSE:Tumbleweed
From an advisory covering 30 CVEs
before 8.0.0-1.1
8.0.0-1.1

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliases, publishedEUVD
first indexedCVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-55627 is a medium vulnerability (CVSS 5.9) in Oisf Suricata, published January 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. Fixed in suricata 7.0.8-r0.

References

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