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Vulnerabilities / CVE-2022-23959

critical

CVE-2022-23959

varnish: HTTP/1 request smuggling vulnerability

Published Modified CWE 444
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Red Hat9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Bitnami9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Trivy's own label is CRITICAL. Rated critical by NVD, Bitnami. Rated lower by Red Hat (high), AlmaLinux (high), Amazon (high), Oracle (high), Rocky Linux (high), Ubuntu (medium).

Description

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 connections.

Affected packages and fixed versions

SourcePackageFixed in
bitnami::Bitnami Vulnerability Databasevarnish7.0.2
alma 8varnish:6::varnish, varnish:6::varnish-devel, varnish:6::varnish-docs and 1 more6.0.8-1.module_el8.5.0+2620+03a0c2cc.1 and 1 more
alpine 3.12varnish6.5.2-r1
alpine 3.13varnish6.5.2-r1
alpine 3.14varnish6.6.2-r0
alpine 3.15varnish7.0.2-r0
alpine 3.16varnish7.0.2-r0
alpine 3.17varnish7.0.2-r0
alpine 3.18varnish7.0.2-r0
alpine 3.19varnish7.0.2-r0
alpine 3.20varnish7.0.2-r0
alpine 3.21varnish7.0.2-r0
Show all 49 entries from 36 sources
SourcePackageFixed in
bitnami::Bitnami Vulnerability Databasevarnish7.0.2
alma 8varnish:6::varnish6.0.8-1.module_el8.5.0+2620+03a0c2cc.1
alma 8varnish:6::varnish-devel6.0.8-1.module_el8.5.0+2620+03a0c2cc.1
alma 8varnish:6::varnish-docs6.0.8-1.module_el8.5.0+2620+03a0c2cc.1
alma 8varnish:6::varnish-modules0.15.0-6.module_el8.5.0+2620+03a0c2cc
alpine 3.12varnish6.5.2-r1
alpine 3.13varnish6.5.2-r1
alpine 3.14varnish6.6.2-r0
alpine 3.15varnish7.0.2-r0
alpine 3.16varnish7.0.2-r0
alpine 3.17varnish7.0.2-r0
alpine 3.18varnish7.0.2-r0
alpine 3.19varnish7.0.2-r0
alpine 3.20varnish7.0.2-r0
alpine 3.21varnish7.0.2-r0
alpine 3.22varnish7.0.2-r0
alpine 3.23varnish7.0.2-r0
alpine 3.24varnish7.0.2-r0
alpine edgevarnish7.0.2-r0
amazon linux 1varnish4.0.5-3.23.amzn1
amazon linux 1varnish-debuginfo4.0.5-3.23.amzn1
amazon linux 1varnish-docs4.0.5-3.23.amzn1
amazon linux 1varnish-libs4.0.5-3.23.amzn1
amazon linux 1varnish-libs-devel4.0.5-3.23.amzn1
debian 10varnish6.1.1-1+deb10u3
debian 11varnish6.5.1-1+deb11u2
debian 12varnish7.1.0-5
debian 13varnish7.1.0-5
debian 9varnish5.0.0-7+deb9u3
echovarnish7.1.0-5
Oracle Linux 8varnish6.0.8-1.module+el8.5.0+20491+1af4e193.1
Oracle Linux 8varnish-devel6.0.8-1.module+el8.5.0+20491+1af4e193.1
Oracle Linux 8varnish-docs6.0.8-1.module+el8.5.0+20491+1af4e193.1
Oracle Linux 8varnish-modules0.15.0-6.module+el8.5.0+20320+0b4af72d
rapidfort ubuntu 20.04varnish0:6.6.1-1ubuntu0.2
rapidfort ubuntu 22.04varnish0:6.6.1-1ubuntu0.2
rapidfort ubuntu 24.04varnish0:6.6.1-1ubuntu0.2
rocky 8varnish:6::varnish6.0.8-1.module+el8.5.0+736+fec10e21.1
rocky 8varnish:6::varnish-devel6.0.8-1.module+el8.5.0+736+fec10e21.1
rocky 8varnish:6::varnish-docs6.0.8-1.module+el8.5.0+736+fec10e21.1
rocky 8varnish:6::varnish-modules0.15.0-6.module+el8.5.0+677+2a78a869
root.io debian 11rootio-varnish6.5.1-1+deb11u2
root.io debian 12rootio-varnish7.1.0-5
ubuntu 18.04varnish5.2.1-1ubuntu0.1
ubuntu 18.04-ESMvarnish5.2.1-1ubuntu0.1
ubuntu 20.04varnish6.2.1-2ubuntu0.1
ubuntu 20.04-ESMvarnish6.2.1-2ubuntu0.1
ubuntu 21.10varnish6.5.2-1ubuntu0.2
ubuntu 22.04varnish6.6.1-1ubuntu0.2

References

All 16 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.