How severe is CVE-2024-55627?

CVE-2024-55627 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-55627 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-55627?

CVE-2024-55627 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-55627?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-55627 have an EU (EUVD) identifier?

Yes. CVE-2024-55627 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52825.

When was CVE-2024-55627 published?

CVE-2024-55627 was published on 2025-01-06 and last updated on 2026-06-17.

CVE-2024-55627

CVE-2024-55627 is a medium-severity vulnerability in Oisf Suricata with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-52825
Weakness: CWE-787
Affected product: Oisf Suricata
Published: 2025-01-06
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-55627?: 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.
How severe is CVE-2024-55627?: CVE-2024-55627 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-55627 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-55627?: CVE-2024-55627 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-55627?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-55627 have an EU (EUVD) identifier?: Yes. CVE-2024-55627 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52825.
When was CVE-2024-55627 published?: CVE-2024-55627 was published on 2025-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*

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