CVE-2024-32663

Summary

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).

Affected Software

Weaknesses

• CWE-400: CWE-400: Uncontrolled Resource Consumption
• CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r
• https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64
• https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fd
• https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019
• https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5
• https://redmine.openinfosecfoundation.org/issues/6892
• https://redmine.openinfosecfoundation.org/issues/6900
• https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html

References

• https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r
• https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64
• https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fd
• https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019
• https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5
• https://redmine.openinfosecfoundation.org/issues/6892
• https://redmine.openinfosecfoundation.org/issues/6900

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