[SECURITY] Fedora 44 Update: varnish-8.0.2-1.fc44

This is Varnish Cache, a high-performance HTTP accelerator. Varnish Cache stores web pages in memory so web servers don=E2=80=99t have to create the same web page over and over again. Varnish Cache serves pages much faster than any application server; giving the website a significant speed up...

OESA-2026-2677 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,...

CVE-2026-50052

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack request smuggling, which in turn can be used for cache poisoning, authentication bypass, or possibly even information disclosure and...

UBUNTU-CVE-2026-50052

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack request smuggling, which in turn can be used for cache poisoning, authentication bypass, or possibly even information disclosure and...

CVE-2026-50052

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack request smuggling, which in turn can be used for cache poisoning, authentication bypass, or possibly even information disclosure and...

CVE-2026-50052

Affected products/versions: Vinyl Cache < 9.0.1 and Varnish Cache

EUVD-2026-34066

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack request smuggling, which in turn can be used for cache poisoning, authentication bypass, or possibly even information disclosure and...

CVE-2026-50052

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack request smuggling, which in turn can be used for cache poisoning, authentication bypass, or possibly even information disclosure and...

Varnish Cache and Vinyl Cache environmental issues

Varnish Cache is a set of reverse website caching servers provided by the Varnish company. Vinyl Cache is a high-performance HTTP reverse proxy and web application caching acceleration platform offered by the Vinyl Cache company. Versions of Vinyl Cache prior to 9.0.1 and Varnish Cache prior to...

Linux Distros Unpatched Vulnerability : CVE-2026-50052

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack...

Unity Linux 20.1070e Security Update: varnish (UTSA-2026-017377)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017377 advisory. In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise Cache Plus 4.1.x before 4.1.11r6 and 6.0.x before...

Exploit for Incorrect Behavior Order: Validate Before Canonicalize in Varnish-Software Varnish_Enterprise

way2poccve-2026-34475 CVE-2026-34475 — Nuclei Detection Temp...

Linux Distros Unpatched Vulnerability : CVE-2026-40396

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Varnish Cache 9 before 9.0.1 allows a workspace overflow denial of service daemon panic after timeoutlinger. A malicious client could send an HTTP/1 request, wa...

CVE-2026-40396

A flaw was found in Varnish Cache. A malicious client can exploit a 'workspace overflow' vulnerability by sending an HTTP/1 request, waiting for the session to release its worker thread, and then resuming traffic with multiple requests to trigger a pipelining operation. This can lead to a workspa...

CVE-2026-40394

A flaw was found in Varnish Cache and Varnish Enterprise. A remote attacker can trigger a denial of service by sending specific amounts of prefetched data during an HTTP/2 session upgrade. This vulnerability, known as a "workspace overflow," occurs when the system attempts to allocate a buffer,...

EUVD-2026-21738

Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a "workspace overflow" denial of service daemon panic for certain amounts of prefetched data. The setup of an HTTP/2 session starts with a speculative HTTP/1 transport, and upon upgrading to h2 the HTTP/1 request is...

EUVD-2026-21742

Varnish Cache 9 before 9.0.1 allows a "workspace overflow" denial of service daemon panic after timeoutlinger. A malicious client could send an HTTP/1 request, wait long enough until the session releases its worker thread timeoutlinger and resume traffic before the session is closed timeoutidle...

CVE-2026-40396

Varnish Cache 9 before 9.0.1 allows a "workspace overflow" denial of service daemon panic after timeoutlinger. A malicious client could send an HTTP/1 request, wait long enough until the session releases its worker thread timeoutlinger and resume traffic before the session is closed timeoutidle...

CVE-2026-40394

Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a "workspace overflow" denial of service daemon panic for certain amounts of prefetched data. The setup of an HTTP/2 session starts with a speculative HTTP/1 transport, and upon upgrading to h2 the HTTP/1 request is...

DEBIAN-CVE-2026-40394

Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a "workspace overflow" denial of service daemon panic for certain amounts of prefetched data. The setup of an HTTP/2 session starts with a speculative HTTP/1 transport, and upon upgrading to h2 the HTTP/1 request is...