Priority CRITICAL 90KEV
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.99999 · Published 2023-10-10 · Partial fix · 1.28.0, 0.17.0 +9 CWE-400
Priority MEDIUM 46
vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.04084 · Published 2017-11-16 · No fix listed CWE-119
Priority MEDIUM 43
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 6.0.9r4, request smuggling can occur for HTTP/1 conn…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.02011 · Published 2022-01-26 · Fixed CWE-444
Priority MEDIUM 42
An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01816 · Published 2022-11-09 · No fix listed CWE-444
Priority MEDIUM 42
An issue was discovered in Varnish Cache before 6.0.4 LTS, and 6.1.x and 6.2.x before 6.2.1.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.059 · Published 2019-09-03 · Fixed CWE-617
Priority MEDIUM 41
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 7.2.1.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01296 · Published 2022-11-09 · Fixed CWE-20
Priority LOW 39
Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \r (carriage re…
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.03524 · Published 2016-04-25 · No fix listed
Priority LOW 37
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.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.02416 · Published 2017-08-04 · Will not fix CWE-190
Priority LOW 36
In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01499 · Published 2022-08-11 · No fix listed CWE-400
Priority LOW 35
Varnish HTTP cache before 3.0.4: ACL bug
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01266 · Published 2020-02-12 · No fix listed
Priority LOW 32
Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.01599 · Published 2021-07-14 · Fixed CWE-444
Priority LOW 29
Varnish before 3.0.5 allows remote attackers to cause a denial of service (child-process crash and temporary caching outage) via a GET request with trailing whitespace characters and no URI.
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.03236 · Published 2013-11-01 · No fix listed CWE-119
Priority LOW 24
Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.
CVSS 3.1MEDIUM 5.4· Network · No auth · No interaction · EPSS 0.00313 · Published 2025-03-21 · Partial fix · 7.6.2 CWE-444
Priority LOW 11
varnish 3.0.3 uses world-readable permissions for the /var/log/varnish/ directory and the log files in the directory, which allows local users to obtain sensitive information by reading the files.
CVSS 2.0LOW 2.1· Local · No auth · Interaction — · EPSS 0.00374 · Published 2014-05-08 · No fix listed CWE-264