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CVE-2024-32663

HIGH

7.5

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, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/7/2024

Last Modified11/3/2025

Sourcenvd

Honeypot Sightings0

Affected Products

oisf:suricata

Weaknesses (CWE)

CWE-400CWE-770CWE-770

References

https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64(security-advisories@github.com)

https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fd(security-advisories@github.com)

https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019(security-advisories@github.com)

https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5(security-advisories@github.com)

https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r(security-advisories@github.com)

https://redmine.openinfosecfoundation.org/issues/6892(security-advisories@github.com)

https://redmine.openinfosecfoundation.org/issues/6900(security-advisories@github.com)

https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fd(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html(af854a3a-2127-422b-91ae-364da2661108)

https://redmine.openinfosecfoundation.org/issues/6892(af854a3a-2127-422b-91ae-364da2661108)

https://redmine.openinfosecfoundation.org/issues/6900(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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