Unrated severityOSV Advisory· Published Nov 3, 2023· Updated Feb 25, 2026
Squid: request/response smuggling in http/1.1 and icap
CVE-2023-46846
Description
SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
23- Range: 4.15-20210522-snapshot, 4.15-20210523-snapshot, 4.15-20210524-snapshot, …
- osv-coords21 versionspkg:rpm/almalinux/libecappkg:rpm/almalinux/libecap-develpkg:rpm/almalinux/squidpkg:rpm/opensuse/squid&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/squid&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/squid&distro=openSUSE%20Tumbleweedpkg:rpm/suse/squid&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3
< 1.0.1-2.module_el8.6.0+2741+01592ae8+ 20 more
- (no CPE)range: < 1.0.1-2.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 1.0.1-2.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 7:5.5-5.el9_2.1
- (no CPE)range: < 5.7-150400.3.12.1
- (no CPE)range: < 5.7-150400.3.12.1
- (no CPE)range: < 6.4-1.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 5.7-150400.3.12.1
- (no CPE)range: < 5.7-150400.3.12.1
- (no CPE)range: < 4.17-4.30.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-4.30.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-150000.5.38.1
- (no CPE)range: < 4.17-150000.5.38.1
Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
13- access.redhat.com/errata/RHSA-2023:6266mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2023:6267mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2023:6268mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2023:6748mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2023:6801mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2023:6803mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2023:6804mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2023:6810mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2023:7213mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2024:11049mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/security/cve/CVE-2023-46846mitrevdb-entryx_refsource_REDHAT
- bugzilla.redhat.com/show_bug.cgimitreissue-trackingx_refsource_REDHAT
- github.com/squid-cache/squid/security/advisories/GHSA-j83v-w3p4-5cqhmitre
News mentions
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