RHEL 7 : rh-nginx114-nginx (RHSA-2018:3681)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:3681 advisory. - nginx: Excessive memory consumption via flaw in HTTP/2 implementation CVE-2018-16843 - nginx: Excessive CPU usage via flaw in HTTP/2...

CentOS 9 : kernel-5.14.0-354.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the kernel-5.14.0-354.el9 build changelog. - A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel's IPv6 functionality when a user makes a new kind of SYN...

Denial Of Service (DoS)

Bouncy Castle is vulnerable to Denial of Service DoS. The vulnerability is due to improper validation of F2m parameters, allowing an attacker to craft a certificate that causes high CPU usage during the evaluation of the curve parameters...

UBUNTU-CVE-2024-31208

Synapse is an open-source Matrix homeserver. A remote Matrix user with malicious intent, sharing a room with Synapse instances before 1.105.1, can dispatch specially crafted events to exploit a weakness in the V2 state resolution algorithm. This can induce high CPU consumption and accumulate...

py-matrix-synapse -- weakness in auth chain indexing allows DoS

Matrix developers report: Weakness in auth chain indexing allows DoS from remote room members through disk fill and high CPU usage. High severity...

Fedora 39 : nghttp2 (2024-a00de83de9)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-a00de83de9 advisory. - fix CONTINUATION frames DoS CVE-2024-28182 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note...

MGASA-2024-0135 Updated nghttp2 packages fix security vulnerability

nghttp2 library keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. This update fixes the issue. This is the latest release, which will bring some more fixes and...

Updated nghttp2 packages fix security vulnerability

nghttp2 library keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. This update fixes the issue. This is the latest release, which will bring some more fixes and...

Mageia: Security Advisory (MGASA-2024-0135)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

Exploit for CVE-2023-45288

PoC for CVE-2023-45288 This is a proof-of-concept code for th...

bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator

Processing specially crafted responses coming from DNSSEC-signed zones can lead to uncontrolled CPU usage, leading to a Denial of Service in the DNSSEC-validating resolver side. This vulnerability applies only for systems where DNSSEC validation is enabled...

K000139225: nghttp2 vulnerability CVE-2024-28182

Security Advisory Description nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes...

April 9, 2024—KB5036909 (OS Build 20348.2402)

None None...

SUSE SLES12 Security Update : nghttp2 (SUSE-SU-2024:1156-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:1156-1 advisory. - CVE-2024-28182: Fixed denial of service via http/2 continuation frames bsc1221399 Tenable has extracted the preceding description block...

nghttp2 < 1.61.0 HTTP/2 Protocol DoS Vulnerability

nghttpd2 is prone to a denial of service DoS vulnerability in the HTTP/2 protocol. SPDX-FileCopyrightText: 2024 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 CPE =...

GHSA-Q6CP-QFWQ-4GCV h2 servers vulnerable to degradation of service with CONTINUATION Flood

An attacker can send a flood of CONTINUATION frames, causing h2 to process them indefinitely. This results in an increase in CPU usage. Tokio task budget helps prevent this from a complete denial-of-service, as the server can still respond to legitimate requests, albeit with increased latency. Mo...

h2 servers vulnerable to degradation of service with CONTINUATION Flood

An attacker can send a flood of CONTINUATION frames, causing h2 to process them indefinitely. This results in an increase in CPU usage. Tokio task budget helps prevent this from a complete denial-of-service, as the server can still respond to legitimate requests, albeit with increased latency. Mo...

SUSE CVE-2024-28182

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK...

[slackware-security] nghttp2

New nghttp2 packages are available for Slackware 15.0 and -current to fix a security issue. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/nghttp2-1.61.0-i586-1slack15.0.txz: Upgraded. This update fixes security issues: nghttp2 library keeps reading the unbounded number ...

CVE-2024-28871

LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available...