CVE-2024-32663: oisf suricata Uncontrolled Resource Consumption
Vulnerability summary
CVE-2024-32663 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in oisf suricata. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 61% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 07-05-2024PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
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 metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.96%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.96% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Affected systems
Debian1 product
- suricata< 1:7.0.5-1
Oisf1 product
- suricata≥ 7.0.0, ≤ 7.0.4 | ≥ 6.0.0, ≤ 6.0.18 | ≥ 6.0.0, < 6.0.19 | ≥ 7.0.0, < 7.0.5
Ubuntu1 product
- suricataAll versions (No fix recorded)
3 vendors · 3 products
References
11 links- github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266rX Refsource CONFIRMREPORTVendor Advisory
