CVE-2023-46317

Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers...

CVE-2023-46317

Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers...

Knot Resolver Security Vulnerability

Knot Resolver is a cached DNS resolver implementation that includes a resolver library and daemon. A security vulnerability exists in Knot Resolver prior to version 5.7.0, which stems from performing many TCP reconnections upon receiving certain meaningless responses from the server...

CVE-2023-46317

CVE-2023-46317 affects Knot Resolver prior to 5.7.0. The vulnerability arises when the resolver encounters certain nonsensical DNS responses, triggering excessive TCP reconnections and potential denial of service. Public sources (Debian security advisory DSA-5633-1, OpenVAS/OSV entries) corrobora...

PT-2023-9167 · Unknown +2 · Knot Resolver +2

Name of the Vulnerable Software and Affected Versions: Knot Resolver versions prior to 5.7.0 Description: The issue exists due to insufficient input validation in the DNS translator. It allows a remote attacker to cause a denial of service DoS by making multiple TCP connections. When the Knot...

Important: Red Hat Security Advisory: bind9.16 security update

An update for bind9.16 is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

Important: Red Hat Security Advisory: bind security update

An update for bind is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

Important: bind security update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

[SECURITY] Fedora 37 Update: bind-9.18.19-1.fc37

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

Huawei EulerOS: Security Advisory for c-ares (EulerOS-SA-2023-2913)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for c-ares (EulerOS-SA-2023-2932)

The remote host is missing an update for the Huawei EulerOS 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...

GLSA-202310-09 : c-ares: Multiple Vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202310-09 c-ares: Multiple Vulnerabilities - c-ares is an asynchronous resolver library. When cross-compiling c-ares and using the autotools build system, CARESRANDOMFILE will not be set, as seen when cross compiling aarch64...

Important: bind9.16 security update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

ALSA-2023:5474 Important: bind security update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

Huawei EulerOS: Security Advisory for c-ares (EulerOS-SA-2023-2833)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for c-ares (EulerOS-SA-2023-2828)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for bind (EulerOS-SA-2023-2837)

The remote host is missing an update for the Huawei EulerOS 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: Security Advisory (DLA-3567-1)

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...

SUSE CVE-2023-4527

A flaw was found in glibc. When the getaddrinfo function is called with the AFUNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data...

Ubuntu 16.04 ESM / 18.04 ESM : c-ares vulnerabilities (USN-6164-2)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6164-2 advisory. USN-6164-1 fixed several vulnerabilities in c-ares. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS...