CVE-2025-53538 Suricata's mishandling of data on HTTP2 stream 0 can lead to resource starvation

Suricata is a network IDS, IPS and NSM engine developed by the OISF Open Information Security Foundation and the Suricata community. In versions 7.0.10 and below and 8.0.0-beta1 through 8.0.0-rc1, mishandling of data on HTTP2 stream 0 can lead to uncontrolled memory usage, leading to loss of...

CVE-2025-53538

CVE-2025-53538 affects Suricata (IDS/IPS/NSM engine by OISF) in versions 7.0.10 and earlier and 8.0.0-beta1 through 8.0.0-rc1. The root cause is mishandling of data on HTTP/2 stream 0, causing uncontrolled memory usage and loss of visibility. The issue scores as CVSS v3.1/7.5 (HIGH) with NETWORK ...

CVE-2025-53538

Suricata is a network IDS, IPS and NSM engine developed by the OISF Open Information Security Foundation and the Suricata community. In versions 7.0.10 and below and 8.0.0-beta1 through 8.0.0-rc1, mishandling of data on HTTP2 stream 0 can lead to uncontrolled memory usage, leading to loss of...

Suricata 安全漏洞

Suricata is a network IDS, IPS and NSM engine from the Open Information Security Foundation. A security vulnerability exists in Suricata versions 7.0.10 and earlier and 8.0.0-beta1 through 8.0.0-rc1, which stems from improper handling of HTTP2 stream 0 data and could lead to uncontrolled memory...

PT-2025-29086 · Open Information Security Foundation +1 · Suricata +1

Name of the Vulnerable Software and Affected Versions: Suricata versions 7.0.10 and below Suricata versions 8.0.0-beta1 through 8.0.0-rc1 Description: Suricata, a network IDS, IPS, and NSM engine, is affected by an issue where mishandling of data on HTTP2 stream 0 can lead to uncontrolled memory...

TencentOS Server 4: suricata (TSSA-2025:0285)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0285 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

TencentOS Server 4: suricata (TSSA-2024:1082)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:1082 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

TencentOS Server 4: suricata (TSSA-2025:0025)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0025 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Fedora: Security Advisory (FEDORA-2025-a9e7d63dc7)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory (FEDORA-2024-b5da13e80a)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory (FEDORA-2025-e24171db6d)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory (FEDORA-2025-5fa61dc843)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

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 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-2019-17420

In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the httpheader signature to not alert on a response with a single \r\n ending...

A Virtual Cybersecurity Department for Securing Digital Twins in Water Distribution Systems

Digital twins DTs help improve real-time monitoring and decision-making in water distribution systems. However, their connectivity makes them easy targets for cyberattacks such as scanning, denial-of-service DoS, and unauthorized access. Small and medium-sized enterprises SMEs that manage these...

Exploit for Missing Authentication for Critical Function in Erlang Erlang\/Otp

Security research on Erlang/OTP SSH CVE-2025-32433 Python exp...

[SECURITY] Fedora 42 Update: suricata-7.0.10-1.fc42

The Suricata Engine is an Open Source Next Generation Intrusion Detection and Prevention Engine. This engine is not intended to just replace or emulate the existing tools in the industry, but will bring new ideas and technologies to the field. This new Engine supports Multi-threading, Automatic...

CVE-2025-29918

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...

DEBIAN-CVE-2025-29918

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...