CVE-2026-31935— Suricata http2: unbounded resource consumption
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-31935
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Suricata http2: unbounded resource consumption
Source: NVD (National Vulnerability Database)
Vulnerability Description
Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in the Suricata process being shut down by the operating system. This issue has been patched in versions 7.0.15 and 8.0.4.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Suricata 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Suricata是Open Information Security基金会的一个网络IDS、IPS和NSM引擎。 Suricata 7.0.15之前版本和8.0.4之前版本存在安全漏洞，该漏洞源于特制HTTP2延续帧的泛洪可能导致内存耗尽，通常导致操作系统关闭Suricata进程。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-31935
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-31935
请登录查看更多情报信息。
- http2: unbounded resource consumption · Advisory · OISF/suricata · GitHubx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-31935
Same Patch Batch · OISF · 2026-04-02 · 6 CVEs total
| CVE-2026-31933 | 7.5 HIGH | Suricata stream: quadratic complexity in stream inspection |
| CVE-2026-31932 | 7.5 HIGH | Suricata krb5: quadratic complexity in krb5 buffering |
| CVE-2026-31931 | 7.5 HIGH | Suricata tls: null dereference in tls.alpn rule keyword |
| CVE-2026-31934 | 7.5 HIGH | Suricata smtp/mine: quadratic complexity in extracting urls |
| CVE-2026-31937 | 7.5 HIGH | Suricata dcerpc: quadratic complexity in dcerpc buffering |
IV. Related Vulnerabilities
Same product: suricata
- CVE-2026-31937
Suricata dcerpc: quadratic complexity in dcerpc buffering - CVE-2026-31934
Suricata smtp/mine: quadratic complexity in extracting urls - CVE-2026-31933
Suricata stream: quadratic complexity in stream inspection - CVE-2026-31932
Suricata krb5: quadratic complexity in krb5 buffering - CVE-2026-31931
Suricata tls: null dereference in tls.alpn rule keyword
Same vendor: OISF
- CVE-2026-31937
Suricata dcerpc: quadratic complexity in dcerpc buffering - CVE-2026-31934
Suricata smtp/mine: quadratic complexity in extracting urls - CVE-2026-31933
Suricata stream: quadratic complexity in stream inspection - CVE-2026-31932
Suricata krb5: quadratic complexity in krb5 buffering - CVE-2026-31931
Suricata tls: null dereference in tls.alpn rule keyword
Same weakness: CWE-400
- CVE-2026-8187
Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-lau - CVE-2026-32686
Unbounded exponent in decimal enables unauthenticated DoS - CVE-2026-20188
Cisco Crosswork Network Controller and Cisco Network Service
V. Comments for CVE-2026-31935
No comments yet