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CVE-2024-32663

Date: May 7, 2024

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).

Language: C

Severity Score

Related Resources (10)

https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64
https://redmine.openinfosecfoundation.org/issues/6900
https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r
https://security-tracker.debian.org/tracker/CVE-2024-32663
https://redmine.openinfosecfoundation.org/issues/6892
https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5
https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019
https://nvd.nist.gov/vuln/detail/CVE-2024-32663
https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fd
https://www.mend.io/vulnerability-database/CVE-2024-32663

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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