Critical severity9.1NVD Advisory· Published Jan 26, 2022· Updated Jun 17, 2026
CVE-2022-23959
CVE-2022-23959
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:-:*:*:*+ 2 more
- cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:-:*:*:*range: >=1.0.0,<6.6.2
- cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:plus:*:*:*range: >=4.1.1,<4.1.11r6
- cpe:2.3:a:varnish-software:varnich_cache:4.1:*:*:*:lts:*:*:*
cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:*range: >=6.0.0,<6.0.10
- (no CPE)range: <6.6.2, <7.0.2, <6.0.10, <4.1.11r6, <6.0.9r4
- cpe:2.3:a:varnish-software:varnish_cache_plus:*:*:*:*:*:*:*:*Range: >=6.0.0,<6.0.9r4
- cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*Range: >=7.0.0,<7.0.2
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- Range: <4.1.11r6, <6.0.9r4
- osv-coords9 versionspkg:bitnami/varnishpkg:rpm/almalinux/varnishpkg:rpm/almalinux/varnish-develpkg:rpm/almalinux/varnish-docspkg:rpm/almalinux/varnish-modulespkg:rpm/opensuse/varnish&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/varnish&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/vinyl-cache&distro=openSUSE%20Tumbleweedpkg:rpm/suse/varnish&distro=SUSE%20Package%20Hub%2015%20SP3
>= 7.0.0, < 7.0.2+ 8 more
- (no CPE)range: >= 7.0.0, < 7.0.2
- (no CPE)range: < 6.0.8-1.module_el8.5.0+2620+03a0c2cc.1
- (no CPE)range: < 6.0.8-1.module_el8.5.0+76+a10ffa55
- (no CPE)range: < 6.0.8-1.module_el8.5.0+2620+03a0c2cc.1
- (no CPE)range: < 0.15.0-6.module_el8.5.0+2620+03a0c2cc
- (no CPE)range: < 7.1.0-bp153.2.3.1
- (no CPE)range: < 7.1.0-1.1
- (no CPE)range: < 9.0.0-1.1
- (no CPE)range: < 7.1.0-bp153.2.3.1
Patches
Vulnerability mechanics
References
5- docs.varnish-software.com/security/VSV00008/nvdMitigationVendor Advisory
- lists.debian.org/debian-lts-announce/2022/02/msg00014.htmlnvdMailing ListThird Party Advisory
- varnish-cache.org/security/VSV00008.htmlnvdMitigationVendor Advisory
- www.debian.org/security/2022/dsa-5088nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/nvd
News mentions
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