CVE-2026-71855mediumCWE-697

CVE-2026-71855: falha de média gravidade em OISF suricata

Suricata flow: IPv4/IPv6 hash collision can reuse wrong flow state

Publicada em · Atualizada em

Seguir esta CVE+ Monitorar suricata+ Monitorar suricata

Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.

13Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 5.9epss 0.3%
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, src/flow-hash.c can treat an IPv4 and IPv6 flow as equal without comparing the IP family when their raw address words, ports, protocol, VLAN, recursion level, live device, and hash bucket align. An IPv6 packet can therefore reuse IPv4 flow state or the reverse, causing incorrect flowbit state, detection bypass, or IP-only bypass. This issue is fixed in versions 8.0.6 and 7.0.17.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Produtos afetados
OISF · suricata
CVEs relacionadas — OISF suricata

No mesmo produto, das mais perigosas para as menos.

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%