CVE-2025-29918 Suricata pcre: negated pcr can cause infinite loop

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A PCRE rule can be written that leads to an infinite loop when negated PCRE is used. Packet processing thread becomes stuck in infinite loop limiting visibility and availability i...

CVE-2025-29915 Suricata af-packet: defrag option can lead to truncated packets affecting visibility

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The AFPACKET defrag option is enabled by default and allows AFPACKET to re-assemble fragmented packets before reaching Suricata. However the default packet size in Suricata is bas...

Linux Distros Unpatched Vulnerability : CVE-2024-38534

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Crafted modbus traffic can lead to unlimit...

CVE-2024-55628

Suricata is affected by CVE-2024-55628 due to DNS resource name compression before version 7.0.8, which can produce small DNS messages with very large hostnames and generate oversized log records. The issue has been addressed in Suricata 7.0.8 and later. (Supported by PTSecurity/PT-2025-48205, PT...

CVE-2024-55627

Suricata is affected by CVE-2024-55627 prior to version 7.0.8. The issue is a buffer overflow caused during initialization when zero-filling a TCP stream due to an unsigned integer underflow. The vulnerability is addressed in Suricata 7.0.8 and later. Affected software: Suricata (IDS/IPS/NSM engi...

CVE-2024-55627 Suricata segfault on StreamingBufferSlideToOffsetWithRegions

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer...

CVE-2024-45796

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.7, a logic error during fragment reassembly can lead to failed reassembly for valid traffic. An attacker could craft packets to trigger this behavior.This iss...

CVE-2024-45796

CVE-2024-45796 affects Suricata, a network IDS/IPS/NSM engine. The issue is a logic error during fragment reassembly that can cause failed reassembly for valid traffic when processing certain fragments. This vulnerability is addressed in Suricata version 7.0.7; upgrading to 7.0.7 or later mitigat...

The vulnerabilities of the components such as Omnivise T3000 Application Server, Omnivise T3000 Domain Controller, Omnivise T3000 Network Intrusion Detection System (NIDS), Omnivise T3000 Product Data Management (PDM), Omnivise T3000 Security Server, Omnivise T3000 Terminal Server, Omnivise T3000 Thin Client, and Omnivise T3000 Whitelisting Server, along with their software-defined hardware platforms for process management and monitoring in the Siemens Omnivise T3000 system, allow attackers to disclose protected information and enhance their privileges.

The vulnerabilities of the Omnivise T3000 Application Server, Omnivise T3000 Domain Controller, Omnivise T3000 Network Intrusion Detection System NIDS, Omnivise T3000 Product Data Management PDM, Omnivise T3000 Security Server, Omnivise T3000 Terminal Server, Omnivise T3000 Thin Client, and...

CVE-2024-38536 Suricata http/range: NULL-ptr deref when http.memcap is reached

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A memory allocation failure due to http.memcap being reached leads to a NULL-ptr reference leading to a crash. Upgrade to 7.0.6...

CVE-2024-37151

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Mishandling of multiple fragmented packets using the same IP ID value can lead to packet reassembly failure, which can lead to policy bypass. Upgrade to 7.0.6 or 6.0.20. When usin...

CVE-2024-32867

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, various problems in handling of fragmentation anomalies can lead to mis-detection of rules and policy. This vulnerability is fixed in 7.0.5 or 6.0.19...

CVE-2024-32664 Suricata's base64 contains an out of bounds write

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use...

CVE-2024-32663 Suricata 's http2 parser contains an improper compressed header handling can lead to resource starvation

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19...

CVE-2024-32663 Suricata 's http2 parser contains an improper compressed header handling can lead to resource starvation

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19...

CVE-2024-23835

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.3, excessive memory use during pgsql parsing could lead to OOM-related crashes. This vulnerability is patched in 7.0.3. As workaround, users can disable the...

Design/Logic Flaw

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, the rules inspecting HTTP2 headers can get bypassed by crafted traffic. The vulnerability has been patched in 7.0.3...

CVE-2024-24568 Suricata http2: header handling evasion

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, the rules inspecting HTTP2 headers can get bypassed by crafted traffic. The vulnerability has been patched in 7.0.3...

CVE-2024-23839 Suricata http: heap use after free with http.request_header and http.response_header keywords

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.requestheader or http.responseheader keyword. The vulnerability has been...

CVE-2024-23836 crafted traffic can cause denial of service

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 6.0.16 and 7.0.3, an attacker can craft traffic to cause Suricata to use far more CPU and memory for processing the traffic than needed, which can lead to extrem...