CVE-2026-45759

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata could repeatedly perform expensive parsing of large HTTP Content-Disposition headers during HTTP response body processing. Crafted HTT...

UBUNTU-CVE-2026-45759

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata could repeatedly perform expensive parsing of large HTTP Content-Disposition headers during HTTP response body processing. Crafted HTT...

UBUNTU-CVE-2026-45751

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata's inspection-buffer helper could leave an inspection pointer referencing freed memory after a chained transform caused the backing...

EUVD-2026-75757

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a protocol change while processing HTTP/2 traffic could lead to type confusion in Suricata. Crafted traffic may cause Suricata to crash,...

CVE-2026-45764 Suricata http2: protocol-change type confusion can lead to denial of service

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a protocol change while processing HTTP/2 traffic could lead to type confusion in Suricata. Crafted traffic may cause Suricata to crash,...

CVE-2026-45764

Suricata (OISF's network IDS/IPS/NSM engine) is vulnerable to a type confusion triggered by a protocol change while processing HTTP/2 traffic . Crafted network traffic can cause Suricata to crash, resulting in denial of service . The issue is rated CVSS 9.1 (CRITICAL) with a network attack vector...

CVE-2026-45764 Suricata http2: protocol-change type confusion can lead to denial of service

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a protocol change while processing HTTP/2 traffic could lead to type confusion in Suricata. Crafted traffic may cause Suricata to crash,...

CVE-2026-45764 Suricata http2: protocol-change type confusion can lead to denial of service

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a protocol change while processing HTTP/2 traffic could lead to type confusion in Suricata. Crafted traffic may cause Suricata to crash,...

EUVD-2026-75756

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata's IP defragmentation tracker lookup did not verify that an existing tracker used the same IP address family as the packet being...

CVE-2026-45762 Suricata defrag: missing address-family check can lead to remote crash

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata's IP defragmentation tracker lookup did not verify that an existing tracker used the same IP address family as the packet being...

CVE-2026-45762

Suricata is a network intrusion detection/prevention and security monitoring engine. Prior to 7.0.16 and 8.0.5 , its IP defragmentation tracker lookup failed to verify that an existing tracker used the same IP address family as the incoming packet. Under crafted mixed IPv4/IPv6 fragmented traffic...

CVE-2026-45762 Suricata defrag: missing address-family check can lead to remote crash

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata's IP defragmentation tracker lookup did not verify that an existing tracker used the same IP address family as the packet being...

CVE-2026-45762 Suricata defrag: missing address-family check can lead to remote crash

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata's IP defragmentation tracker lookup did not verify that an existing tracker used the same IP address family as the packet being...

HTTP Request Smuggling

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to HTTP Request Smuggling due to incomplete validation of request Transfer-Encoding headers. An...

CVE-2026-45761 Suricata detect: case-insensitive frame handling can cause heap buffer overflow during rule load

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a crafted rule using mixed-case frame syntax could trigger a heap buffer overflow while Suricata is loading signatures. The issue is reached...

CVE-2026-45761 Suricata detect: case-insensitive frame handling can cause heap buffer overflow during rule load

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a crafted rule using mixed-case frame syntax could trigger a heap buffer overflow while Suricata is loading signatures. The issue is reached...

EUVD-2026-75755

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a crafted rule using mixed-case frame syntax could trigger a heap buffer overflow while Suricata is loading signatures. The issue is reached...

CVE-2026-45761 Suricata detect: case-insensitive frame handling can cause heap buffer overflow during rule load

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a crafted rule using mixed-case frame syntax could trigger a heap buffer overflow while Suricata is loading signatures. The issue is reached...

CVE-2026-45761

Suricata versions prior to 7.0.16 and 8.0.5 are affected by a heap buffer overflow in the rule parsing/loading path. A crafted detection rule using mixed-case frame syntax triggers the overflow while Suricata loads signatures — not via network traffic alone. The CVSS 3.1 score is 3.3 (LOW) , with...

CVE-2026-45759 Suricata http1: quadratic Content-Disposition processing can lead to denial of service

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata could repeatedly perform expensive parsing of large HTTP Content-Disposition headers during HTTP response body processing. Crafted HTT...