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The vulnerability of the Suricata intrusion detection and prevention system arises from errors in checking the JA4 identifier, which provides information about the application protocol used between the client and the server. This vulnerability allows attackers to trigger a service failure.

🗓️ 21 Oct 2024 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 8 Views

Suricata has JA4 identifier verification errors that allow service interruptions via crafted TLS/QUIC traffic.

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30 Jun 2026 00:00Current
7.3High risk
Vulners AI Score7.3
CVSS 37.5
CVSS 27.8
EPSS0.00577
8