CVE-2023-46846 (GCVE-0-2023-46846)
Vulnerability from cvelistv5 – Published: 2023-11-03 07:33 – Updated: 2026-02-25 18:19
VLAI
EPSS
VEX
Title
Squid: request/response smuggling in http/1.1 and icap
Summary
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.
Severity
9.3 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2023-12-19 21:18 UTC
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
16 references
Impacted products
16 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
|
Affected:
2.6 , < 6.4
(semver)
|
||||
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
7:3.5.20-17.el7_9.13 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
||
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8080020231030214932.63b34585 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8090020231030224841.a75119d5 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions |
Unaffected:
8010020231101141358.c27ad7f8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.1::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
8020020231101135052.4cda2c84 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_aus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service |
Unaffected:
8020020231101135052.4cda2c84 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_aus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions |
Unaffected:
8020020231101135052.4cda2c84 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.2::appstream cpe:/a:redhat:rhel_aus:8.2::appstream cpe:/a:redhat:rhel_e4s:8.2::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
8040020231101101624.522a0ee4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service |
Unaffected:
8040020231101101624.522a0ee4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions |
Unaffected:
8040020231101101624.522a0ee4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.4::appstream cpe:/a:redhat:rhel_tus:8.4::appstream cpe:/a:redhat:rhel_aus:8.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support |
Unaffected:
8060020231031165747.ad008a3a , < *
(rpm)
cpe:/a:redhat:rhel_eus:8.6::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
7:5.5-5.el9_2.1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
7:5.5-6.el9_3.1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
7:5.2-1.el9_0.3 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.0::appstream |
||
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
Date Public
2023-10-19 00:00
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"id": "CVE-2023-46846",
"lastModified": "2024-12-18T01:15:06.010",
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"published": "2023-11-03T08:15:07.953",
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
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"cveMetadata": "{\"cveId\": \"CVE-2023-46846\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-25T18:19:15.815Z\", \"dateReserved\": \"2023-10-27T08:36:38.158Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2023-11-03T07:33:16.184Z\", \"assignerShortName\": \"redhat\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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