How severe is CVE-2024-38535?

CVE-2024-38535 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-38535 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-38535?

CVE-2024-38535 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-38535?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-38535 have an EU (EUVD) identifier?

Yes. CVE-2024-38535 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37399.

When was CVE-2024-38535 published?

CVE-2024-38535 was published on 2024-07-11 and last updated on 2026-06-17.

CVE-2024-38535

CVE-2024-38535 is a high-severity vulnerability in Oisf Suricata with a CVSS 3.x base score of 7.5. 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-37399
Weakness: CWE-770
Affected product: Oisf Suricata
Published: 2024-07-11
Last modified: 2026-06-17

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Suricata can run out of memory when parsing crafted HTTP/2 traffic. Upgrade to 6.0.20 or 7.0.6.

Frequently asked questions

What is CVE-2024-38535?: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Suricata can run out of memory when parsing crafted HTTP/2 traffic. Upgrade to 6.0.20 or 7.0.6.
How severe is CVE-2024-38535?: CVE-2024-38535 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-38535 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-38535?: CVE-2024-38535 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-38535?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-38535 have an EU (EUVD) identifier?: Yes. CVE-2024-38535 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37399.
When was CVE-2024-38535 published?: CVE-2024-38535 was published on 2024-07-11 and last updated on 2026-06-17.

References

Affected products (1)

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

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