CVE-2023-46846
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability—
Product
Squid
PublishedNov 3, 2023
First seenNov 3, 2023
Weakness typeCWE-444CWE-444
How to fix
Update
- squid-cache squid6.4 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2023:6266
- access.redhat.com/errata/RHSA-2023:6267
- access.redhat.com/errata/RHSA-2023:6268
- access.redhat.com/errata/RHSA-2023:6748
- access.redhat.com/errata/RHSA-2023:6801
- access.redhat.com/errata/RHSA-2023:6803
- access.redhat.com/errata/RHSA-2023:6804
- access.redhat.com/errata/RHSA-2023:6810
- access.redhat.com/errata/RHSA-2023:7213
- access.redhat.com/errata/RHSA-2024:11049
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| squid-cache squid | 2.6 ≤ v < 6.4 | 6.4 |
| redhat enterprise_linux | 8.0, 9.0 | — |
| redhat enterprise_linux_eus | 8.6, 8.8, 9.0, 9.2 | — |
| redhat enterprise_linux_for_arm_64 | 8.0_aarch64 | — |
| redhat enterprise_linux_for_ibm_z_systems | 8.0_s390x | — |
| redhat enterprise_linux_for_power_little_endian | 8.0_ppc64le | — |
| redhat enterprise_linux_server_aus | 8.2, 8.4, 8.6, 9.2 | — |
| redhat enterprise_linux_server_tus | 8.2, 8.4, 8.6, 8.8, 9.2 | — |
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