CVE catalog
CVE-2023-46846
squid: CVE-2023-46846
- Severity
- Critical · CVSS 9.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 6.60% · Oct 25, 2026
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. squid: Request/Response smuggling in HTTP/1.1 and ICAP This attack is limited to the HTTP/1.1 and ICAP protocols which support receiving Transfer-Encoding:chunked. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | squid | sid | 7.7-1 | fixed |
| Debian | squid | forky | 7.7-1 | fixed |
| Debian | squid | trixie | 6.13-2+deb13u3 | fixed |
| Debian | squid | trixie-security | 6.13-2+deb13u2 | fixed |
| Debian | squid | bookworm | 5.7-2+deb12u5 | fixed |
| Debian | squid | bookworm-security | 5.7-2+deb12u6 | fixed |
| Alpine | squid | 3.19 | 6.4-r0 | fixed |
| Alpine | squid | 3.20 | 6.4-r0 | fixed |
| Alpine | squid | 3.21 | 6.4-r0 | fixed |
| Alpine | squid | 3.22 | 6.4-r0 | fixed |
| Alpine | squid | 3.23 | 6.4-r0 | fixed |
| Alpine | squid | 3.24 | 6.4-r0 | fixed |
| Ubuntu | squid3 | pro | 3.5.23-5ubuntu1 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.23-5ubuntu2 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.1 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.2 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.3 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.4 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.5 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.6 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.7 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.8 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.9 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.10 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.11 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.12 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.13 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.14 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.14+esm1 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.14+esm2 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.14+esm3 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.14+esm4 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.14+esm5 | vulnerable |
| Ubuntu | squid3 | pro | 3.5.27-1ubuntu1.14+esm6 | vulnerable |
| Ubuntu | squid | 20.04 | 4.8-1ubuntu2 | vulnerable |
| Ubuntu | squid | 20.04 | 4.8-1ubuntu3 | vulnerable |
| Ubuntu | squid | 20.04 | 4.9-2ubuntu1 | vulnerable |
| Ubuntu | squid | 20.04 | 4.9-2ubuntu2 | vulnerable |
| Ubuntu | squid | 20.04 | 4.9-2ubuntu3 | vulnerable |
| Ubuntu | squid | 20.04 | 4.9-2ubuntu4 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1.1 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1.2 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1.3 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1.4 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1.5 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1.6 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1.7 | vulnerable |
| Ubuntu | squid | 20.04 | 4.10-1ubuntu1.8 | fixed |
| Ubuntu | squid | 22.04 | 4.13-10ubuntu5 | vulnerable |
| Ubuntu | squid | 22.04 | 5.2-1ubuntu1 | vulnerable |
| Ubuntu | squid | 22.04 | 5.2-1ubuntu3 | vulnerable |
| Ubuntu | squid | 22.04 | 5.2-1ubuntu4 | vulnerable |
| Ubuntu | squid | 22.04 | 5.2-1ubuntu4.1 | vulnerable |
| Ubuntu | squid | 22.04 | 5.2-1ubuntu4.2 | vulnerable |
| Ubuntu | squid | 22.04 | 5.2-1ubuntu4.3 | vulnerable |
| Ubuntu | squid | 22.04 | 5.7-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | squid | 22.04 | 5.7-0ubuntu0.22.04.2 | fixed |
| Ubuntu | squid | 24.04 | 6.1-2ubuntu1 | vulnerable |
| Ubuntu | squid | 24.04 | 6.1-2ubuntu2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | squid | source | sid | 6.5-1 | not yet assigned | Not reported | [1054537] |
| Debian | squid | source | forky | 6.5-1 | not yet assigned | Not reported | [1054537] |
| Debian | squid | source | trixie | 6.5-1 | not yet assigned | Not reported | [1054537] |
| Debian | squid | source | bookworm | 5.7-2+deb12u1 | not yet assigned | Not reported | [1054537] |
| Alpine | squid | apk | 3.19 | 6.4-r0 | Not reported | ALPINE-CVE-2023-46846 | Not reported |
| Alpine | squid | apk | 3.20 | 6.4-r0 | Not reported | ALPINE-CVE-2023-46846 | Not reported |
| Alpine | squid | apk | 3.21 | 6.4-r0 | Not reported | ALPINE-CVE-2023-46846 | Not reported |
| Alpine | squid | apk | 3.22 | 6.4-r0 | Not reported | ALPINE-CVE-2023-46846 | Not reported |
| Alpine | squid | apk | 3.23 | 6.4-r0 | Not reported | ALPINE-CVE-2023-46846 | Not reported |
| Alpine | squid | apk | 3.24 | 6.4-r0 | Not reported | ALPINE-CVE-2023-46846 | Not reported |
| Ubuntu | squid | deb | 20.04 | 4.10-1ubuntu1.8 | Not reported | UBUNTU-CVE-2023-46846 | Not reported |
| Ubuntu | squid | deb | 22.04 | 5.7-0ubuntu0.22.04.2 | Not reported | UBUNTU-CVE-2023-46846 | Not reported |
| Ubuntu | squid | deb | 24.04 | 6.1-2ubuntu2 | Not reported | UBUNTU-CVE-2023-46846 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2023_7213.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2023-46846]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-46846]
- [https://osv.dev/vulnerability/DLA-3709-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-46846]
- [https://security-tracker.debian.org/tracker/CVE-2023-46846]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-46846.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1248.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]