CVE-2024-55627
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.
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
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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 7.5 High
CVSS: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 High
CVSS: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 Medium
CVSS: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 High
CVSS: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 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 7.5 High
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
suricataAlpine:v3.21 |
before 7.0.8-r0 | 7.0.8-r0 |
suricataAlpine:v3.22 |
before 7.0.8-r0 | 7.0.8-r0 |
suricataAlpine:v3.23 |
before 7.0.8-r0 | 7.0.8-r0 |
suricataAlpine:v3.24 |
before 7.0.8-r0 | 7.0.8-r0 |
suricataDebian:13 |
before 1:7.0.8-1 | 1:7.0.8-1 |
suricataDebian:14 |
before 1:7.0.8-1 | 1:7.0.8-1 |
suricataMageia:9 From an advisory covering 14 CVEs |
before 7.0.10-1.mga9 | 7.0.10-1.mga9 |
suricataUbuntu: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 |
suricataUbuntu:18.04:LTS |
All versions, plus listed versions 3.2-2ubuntu3 |
None known |
suricataUbuntu:22.04:LTS |
All versions, plus listed versions 1:6.0.4-21:6.0.4-3 |
None known |
suricataUbuntu: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 |
suricataopenSUSE:Tumbleweed From an advisory covering 30 CVEs |
before 8.0.0-1.1 | 8.0.0-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| aliases, published | EUVD | |
| first indexed | CVE 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
github.com/OISF/suricata/security/advisories/GHSA-h2mv-7gg8-8x7v
github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebd
github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4be
github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432
redmine.openinfosecfoundation.org/issues/7393
security.alpinelinux.org/vuln/CVE-2024-55627
Show 43 moreShow less
github.com/CVEProject/cvelistV5/tree/main/cves/2024/55xxx/CVE-2024-55627.json
nvd.nist.gov/vuln/detail/CVE-2024-55627
security-tracker.debian.org/tracker/CVE-2024-55627
advisories.mageia.org/MGASA-2026-0181.html
bugs.mageia.org/show_bug.cgi?id=33666
lists.fedoraproject.org/archives/list/[email protected]/message/WUPZOFSY4QOLJUU5AJZ7K6EES56A4KEN
forum.suricata.io/t/suricata-6-is-now-end-of-life-eol/4790
forum.suricata.io/t/suricata-7-0-10-released/5522
forum.suricata.io/t/suricata-7-0-9-released/5495
forum.suricata.io/t/suricata-7-0-8-released/5137
forum.suricata.io/t/suricata-7-0-7-released/4877
ubuntu.com/security/CVE-2024-55627
cve.org/CVERecord?id=CVE-2024-55627
suse.com/security/cve/CVE-2016-10728
suse.com/security/cve/CVE-2018-14568
suse.com/security/cve/CVE-2019-10050
suse.com/security/cve/CVE-2019-10053
suse.com/security/cve/CVE-2024-23835
suse.com/security/cve/CVE-2024-23836
suse.com/security/cve/CVE-2024-23839
suse.com/security/cve/CVE-2024-24568
suse.com/security/cve/CVE-2024-32663
suse.com/security/cve/CVE-2024-32664
suse.com/security/cve/CVE-2024-32867
suse.com/security/cve/CVE-2024-37151
suse.com/security/cve/CVE-2024-38534
suse.com/security/cve/CVE-2024-38535
suse.com/security/cve/CVE-2024-38536
suse.com/security/cve/CVE-2024-45795
suse.com/security/cve/CVE-2024-45796
suse.com/security/cve/CVE-2024-45797
suse.com/security/cve/CVE-2024-47187
suse.com/security/cve/CVE-2024-47188
suse.com/security/cve/CVE-2024-47522
suse.com/security/cve/CVE-2024-55605
suse.com/security/cve/CVE-2024-55626
suse.com/security/cve/CVE-2024-55627
suse.com/security/cve/CVE-2024-55628
suse.com/security/cve/CVE-2024-55629
suse.com/security/cve/CVE-2025-29915
suse.com/security/cve/CVE-2025-29916
suse.com/security/cve/CVE-2025-29917
suse.com/security/cve/CVE-2025-29918