varnish: HTTP/2 Broken Window Attack may result in denial of service

A flaw was found in the Varnish cache server, with HTTP/2 support enabled, that may allow a Denial of Service type of attack. A malicious actor can cause the server to run out of credits during the HTTP/2 connection control flow. As a consequence, the server will stop to properly process the acti...

Important: Red Hat Security Advisory: varnish security update

An update for varnish is now available for Red Hat Enterprise Linux 9.2 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...

RHEL 9 : varnish (RHSA-2024:2820)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:2820 advisory. Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and ov...

RLSA-2024:1691 Important: varnish security update

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up. Security Fixes: varnish: HTTP/2 Broken Window Attack may result in denial of service...

varnish security update

An update is available for varnish. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Varnish Cache is a high-performance HTTP accelerator. It stores web pages in...

varnish security update

An update is available for module.varnish, varnish-modules, varnish, module.varnish-modules. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Varnish Cache is a...

RLSA-2024:1690 Important: varnish security update

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up. Security Fixes: varnish: HTTP/2 Broken Window Attack may result in denial of service...

varnish: HTTP/2 Broken Window Attack may result in denial of service

A flaw was found in the Varnish cache server, with HTTP/2 support enabled, that may allow a Denial of Service type of attack. A malicious actor can cause the server to run out of credits during the HTTP/2 connection control flow. As a consequence, the server will stop to properly process the acti...

Important: Red Hat Security Advisory: varnish security update

An update for varnish 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...

Rocky Linux 8 : varnish (RLSA-2024:1690)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2024:1690 advisory. - Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 and before 6.0.13 LTS, and Varnish Enterprise 6 before 6.0.12r6, allows credits exhaustion for an HTTP/2...

RHEL 9 : varnish (RHSA-2024:2700)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:2700 advisory. Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and ov...

Fedora 40 : varnish (2023-2cc6f607b9)

The remote Fedora 40 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-2cc6f607b9 advisory. Automatic update for varnish-7.4.2-1.fc40. Changelog Wed Nov 8 2023 Ingvar Hagelund - 7.4.2-1 - New upstream release. A security release - Includes fix for...

The vulnerability of Varnish cache servers, related to the manipulation of requests on the server side, allows attackers to compromise the integrity of the protected information.

The vulnerability of the Varnish cache server relates to the manipulation of requests on the server side. Exploiting this vulnerability allows a malicious actor to affect the integrity of the protected information through a specially crafted HTTP request...

The vulnerability of Varnish cache servers, related to uncontrolled resource consumption, allows attackers to carry out denial-of-service attacks.

The vulnerability of the Varnish cache server is related to uncontrolled resource consumption. Exploiting this vulnerability allows a remote attacker to carry out a denial-of-service attack...

ROS-20240423-01

Apache HTTP Server vulnerability is related to blocking HTTP/2 connection processing if it was opened with 0 initial sliding window size. was opened with the initial sliding window size set to 0. Exploitation of the vulnerability could Allow an attacker acting remotely to cause a denial of servic...

Mageia: Security Advisory (MGASA-2024-0124)

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...

Updated varnish packages fix security vulnerability

Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 and before 6.0.13 LTS, and Varnish Enterprise 6 before 6.0.12r6, allows credits exhaustion for an HTTP/2 connection control flow window, aka a Broke Window Attack. CVE-2024-30156...

MGASA-2024-0124 Updated varnish packages fix security vulnerability

Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 and before 6.0.13 LTS, and Varnish Enterprise 6 before 6.0.12r6, allows credits exhaustion for an HTTP/2 connection control flow window, aka a Broke Window Attack. CVE-2024-30156...

OESA-2024-1415 varnish security update

This is Varnish Cache, a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 - 1000x,...

Broke Window Attack

Varnish Cache, Varnish Enterprise is vulnerable to a Broke Window Attack. The vulnerability is due to exhaustion of credits for an HTTP/2 connection control flow window...