CVE-2026-31937: high-severity vulnerability in OISF suricata
Suricata dcerpc: quadratic complexity in dcerpc buffering
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.5%
exploitation probability
0.5%top 62% of all CVEs
observed exploitation
nono source reports it
Suricata is a network IDS, IPS and NSM engine. Prior to version 7.0.15, inefficiency in DCERPC buffering can lead to a performance degradation. This issue has been patched in version 7.0.15.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
OISF · suricataRelated CVEs — OISF suricata
In the same product, most dangerous first.
CVE-2026-45769HIGHikev2: unbounded client transform storage can lead to resource exhaustionEPSS 1.8%CVE-2024-38535HIGHSuricata http2: oom from duplicate headersEPSS 1.2%CVE-2024-23836HIGHcrafted traffic can cause denial of serviceEPSS 1.2%CVE-2024-55627MEDIUMSuricata segfault on StreamingBufferSlideToOffsetWithRegionsEPSS 1.0%CVE-2024-32663HIGHSuricata 's http2 parser contains an improper compressed header handling can lead to resource starvationEPSS 1.0%CVE-2024-23835HIGHSuricata's pgsql: memory exhaustion use on record parsingEPSS 0.9%