CVE-2026-31933 | OISF Suricata up to 7.0.14/8.0.3 Traffic algorithmic complexity (ID 8272)

VDB-354878 · CVE-2026-31933 · ID 8272 OISF SURICATA UP TO 7.0.14/8.0.3 TRAFFIC ALGORITHMIC COMPLEXITY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.3 $0-$5k 0.75+ Summaryinfo A vulnerability was found in OISF Suricata up to 7.0.14/8.0.3. It has been declared as problematic. The impacted element is an unknown function of the component Traffic Handler. Such manipulation leads to algorithmic complexity. This vulnerability is listed as CVE-2026-31933. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component. Detailsinfo A vulnerability was found in OISF Suricata up to 7.0.14/8.0.3. It has been rated as problematic. Affected by this issue is some unknown processing of the component Traffic Handler. The manipulation with an unknown input leads to a algorithmic complexity vulnerability. Using CWE to declare the problem leads to CWE-407. An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached. Impacted is availability. CVE summarizes: Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. This issue has been patched in versions 7.0.15 and 8.0.4. The advisory is available at github.com. This vulnerability is handled as CVE-2026-31933 since 03/10/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project. Upgrading to version 7.0.15 or 8.0.4 eliminates this vulnerability. Productinfo Vendor OISF Name Suricata Version 7.0.0 7.0.1 7.0.2 7.0.3 7.0.4 7.0.5 7.0.6 7.0.7 7.0.8 7.0.9 7.0.10 7.0.11 7.0.12 7.0.13 7.0.14 8.0.0 8.0.1 8.0.2 8.0.3 License open-source Website Product: https://github.com/OISF/suricata/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.4 VulDB Meta Temp Score: 6.3 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.5 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Algorithmic complexity CWE: CWE-407 / CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Suricata 7.0.15/8.0.4 Timelineinfo 03/10/2026 CVE reserved 04/02/2026 +22 days Advisory disclosed 04/02/2026 +0 days VulDB entry created 04/02/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: 8272 Status: Confirmed CVE: CVE-2026-31933 (🔒) GCVE (CVE): GCVE-0-2026-31933 GCVE (VulDB): GCVE-100-354878 Entryinfo Created: 04/02/2026 16:57 Changes: 04/02/2026 16:57 (65) Complete: 🔍 Cache ID: 99:FD2:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸