https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-04T02:09:15.445111+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/bit-varnish-2021-36740 BIT-varnish-2021-36740 2026-10-04T02:09:15.451918+00:00

Affected: Bitnami: varnish

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

 https://cve.radiocsirt.org/vuln/euvd-2026-29427 EUVD-2026-29427 2026-10-04T02:09:15.451981+00:00 EUVD-2026-29427 https://cve.radiocsirt.org/vuln/fkie_cve-2021-36740 fkie_cve-2021-36740 2026-10-04T02:09:15.451998+00:00

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

 https://cve.radiocsirt.org/vuln/ghsa-8vxj-gx32-j925 GHSA-8vxj-gx32-j925 2026-10-04T02:09:15.452024+00:00

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

 https://cve.radiocsirt.org/vuln/gsd-2021-36740 gsd-2021-36740 2026-10-04T02:09:15.452040+00:00 gsd-2021-36740 https://cve.radiocsirt.org/vuln/oesa-2021-1374 OESA-2021-1374 — varnish security update 2026-10-04T02:09:15.452051+00:00

Affected: openEuler:20.03-LTS-SP1: varnish, openEuler:20.03-LTS-SP2: varnish

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, depending on your architecture. Security Fix(es): A flaw was found in Varnish. The Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. As a result, this flaw allows the information on the Varnish cache to be poisoned. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.(CVE-2021-36740)

 https://cve.radiocsirt.org/vuln/opensuse-su-2022:0148-1 openSUSE-SU-2022:0148-1 — Security update for varnish 2026-10-04T02:09:15.452078+00:00

Security update for varnish

 https://cve.radiocsirt.org/vuln/rhsa-2021:2988 RHSA-2021:2988 — Red Hat Security Advisory: varnish:6 security update 2026-10-04T02:09:15.452097+00:00

varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request

 https://cve.radiocsirt.org/vuln/ubuntu-cve-2021-36740 UBUNTU-CVE-2021-36740 2026-10-04T02:09:15.452113+00:00

Affected: Ubuntu:20.04:LTS: varnish

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.