Vulnerability 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).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oisf | Suricata | >= 6.0.0, < 6.0.19 |
Related Weaknesses (CWE)
References
- https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64Patch
- https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fdPatch
- https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019Patch
- https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5Patch
- https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266rVendor Advisory
- https://redmine.openinfosecfoundation.org/issues/6892Issue Tracking
- https://redmine.openinfosecfoundation.org/issues/6900Issue Tracking
- https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64Patch
- https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fdPatch
- https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019Patch
- https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5Patch
- https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266rVendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html
- https://redmine.openinfosecfoundation.org/issues/6892Issue Tracking
- https://redmine.openinfosecfoundation.org/issues/6900Issue Tracking
FAQ
What is CVE-2024-32663?
CVE-2024-32663 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 u...
How severe is CVE-2024-32663?
CVE-2024-32663 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-32663?
Check the references section above for vendor advisories and patch information. Affected products include: Oisf Suricata.