Known Vulnerabilities for products from Varnish-software

Listed below are 11 of the newest known vulnerabilities associated with the vendor "Varnish-software".

These CVEs are retrieved based on exact matches on listed vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed vendor information are still displayed.

Data on known vulnerable products is also displayed based on information from known CPEs, each product links to its respective vulnerability page.

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-40395 json Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service (daemon panic) for shared VCL. The header... Not Provided 2026-04-12 2026-04-17
CVE-2026-40394 json Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a "workspace overflow" denial of service (daemon ... Not Provided 2026-04-12 2026-04-17
CVE-2026-34475 json Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle URLs wi... Not Provided 2026-03-27 2026-04-22
CVE-2023-41104 json libvmod-digest before 1.0.3, as used in Varnish Enterprise 6.0.x before 6.0.11r5, has an out-of-bounds memory access during b... 6.5 - MEDIUM 2023-08-23 2023-08-28
CVE-2022-45060 json An HTTP Request Forgery issue was discovered in Varnish Cache 5.x and 6.x before 6.0.11, 7.x before 7.1.2, and 7.2.x before 7... 7.5 - HIGH 2022-11-09 2023-11-07
CVE-2022-23959 json 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 Pl... 9.1 - CRITICAL 2022-01-26 2023-11-07
CVE-2021-36740 json Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header f... 6.5 - MEDIUM 2021-07-14 2023-11-07
CVE-2020-11653 json An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs wh... 7.5 - HIGH 2020-04-08 2022-11-29
CVE-2019-20637 json An issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not ... 7.5 - HIGH 2020-04-08 2022-08-02
CVE-2019-15892 json An issue was discovered in Varnish Cache before 6.0.4 LTS, and 6.1.x and 6.2.x before 6.2.1. An HTTP/1 parsing failure allows... 7.5 - HIGH 2019-09-03 2023-11-07
CVE-2017-12425 json An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wro... Not Provided 2017-08-04 2025-04-20
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