How severe is CVE-2024-32664?

CVE-2024-32664 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2024-32664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-32664?

CVE-2024-32664 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-32664?

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

Does CVE-2024-32664 have an EU (EUVD) identifier?

Yes. CVE-2024-32664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30455.

When was CVE-2024-32664 published?

CVE-2024-32664 was published on 2024-05-07 and last updated on 2026-06-17.

CVE-2024-32664

CVE-2024-32664 is a medium-severity vulnerability in Oisf Suricata with a CVSS 3.x base score of 5.3. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-30455
Weakness: CWE-120
Affected product: Oisf Suricata
Published: 2024-05-07
Last modified: 2026-06-17

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with `base64_decode` keyword with `bytes` option with value 1, 2 or 5 and for 7.0.x, setting `app-layer.protocols.smtp.mime.body-md5` to false.

Frequently asked questions

What is CVE-2024-32664?: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with `base64_decode` keyword with `bytes` option with value 1, 2 or 5 and for 7.0.x, setting `app-layer.protocols.smtp.mime.body-md5` to false.
How severe is CVE-2024-32664?: CVE-2024-32664 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2024-32664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-32664?: CVE-2024-32664 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-32664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-32664 have an EU (EUVD) identifier?: Yes. CVE-2024-32664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30455.
When was CVE-2024-32664 published?: CVE-2024-32664 was published on 2024-05-07 and last updated on 2026-06-17.

References

Affected products (1)

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

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