go-yaml: Improve heuristics preventing CPU/memory abuse by parsing malicious or large YAML documents

A flaw was found in go-yaml. This issue causes the consumption of excessive amounts of CPU or memory when attempting to parse a large or maliciously crafted YAML document...

kernel: hash collisions in the IPv6 connection lookup table

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 flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6...

rubygem-activesupport: Regular Expression Denial of Service

A flaw was found in rubygem-activesupport. RubyGem's activesupport gem is vulnerable to a denial of service caused by a regular expression denial of service ReDoS flaw in Inflector.underscore. By sending a specially-crafted regex input, a remote attacker can use large amounts of CPU and memory,...

golang.org/x/net/http2: avoid quadratic complexity in HPACK decoding

A flaw was found in golang. A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of requests...

Fedora 39 : clevis-pin-tpm2 / greetd / keyring-ima-signer / libkrun / etc (2023-d88521bfc5)

The remote Fedora 39 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2023-d88521bfc5 advisory. Recent updates for the tokio, h2, and openssl crates addressed some potential or confirmed security or soundness issues: - tokio: RUSTSEC-2023-0005 - h2:...

CVE-2023-46250

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions 3.7.0 through 3.16.4 can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affec...

Ubuntu 22.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-6466-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6466-1 advisory. Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel contained a race condition during device removal, leading to a use-after- free...

GHSA-HRFV-MQP8-Q5RW Werkzeug DoS: High resource usage when parsing multipart/form-data containing a large part with CR/LF character at the beginning

Werkzeug multipart data parser needs to find a boundary that may be between consecutive chunks. That's why parsing is based on looking for newline characters. Unfortunately, code looking for partial boundary in the buffer is written inefficiently, so if we upload a file that starts with CR or LF...

Rocky Linux 9 : go-toolset and golang (RLSA-2023:5738)

The remote Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:5738 advisory. - Extremely large RSA keys in certificate chains can cause a client/server to expend significant CPU time verifying signatures. With fix, the size of RS...

Oracle Linux 9 : go-toolset / and / golang (ELSA-2023-5738)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-5738 advisory. - Update to go 1.19.13 CVE-2023-44487 CVE-2023-39325 CVE-2023-29409 go-toolset Tenable has extracted the preceding description block directly from the...

UBUNTU-CVE-2023-5632

In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is...

SUSE SLES15: cluster-md-kmp-azure / dlm-kmp-azure / gfs2-kmp-azure / etc (SUSE-SU-2023:4057-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4057-1 advisory. The SUSE Linux Enterprise 15 SP4 Azure kernel was updated to receive various security and bugfixes. The following...

H2O HTTP Server HTTP/2 Protocol DoS Vulnerability (GHSA-2m7v-gc89-fjqf)

H2O is prone to a denial of service DoS vulnerability in the HTTP/2 protocol. SPDX-FileCopyrightText: 2023 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 =...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS resulting in a MsQuic server application or process crash. Details Denial of Service DoS describes a family of attacks, all aimed at making a system inaccessible to its intended and legitimate users. Unlike other...

kernel: hash collisions in the IPv6 connection lookup table

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 flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6...

kernel: hash collisions in the IPv6 connection lookup table

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 flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6...

CVE-2023-20259

A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is not used for devic...

Cisco Multiple Product Security Vulnerabilities

Cisco Unity Connection UC and others are products of Cisco USA.Cisco Unity Connection is a voice messaging platform.Cisco Unified Communications Manager CUCM, Unified CM. Cisco Unified Communications Manager CUCM, Unified CM, CallManager is a call processing component of a unified communications...

Debian: Security Advisory (DSA-5511-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 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...

Debian DSA-5511-1 : mosquitto - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5511 advisory. Several security vulnerabilities have been discovered in mosquitto, a MQTT compatible message broker, which may be abused for a denial of service attack...