CVE record · CVE-2023-46848

Squid: denial of service in ftp

CVSS 8.6 HighCriticalEPSS 0.11 · 96th percentile

Critical, because:

CVSS score 8.6 (7.0 or more) and EPSS 0.11 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: redhat) at 3 Nov 2023, 07:58 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	Not given Package name: squid https://github.com/squid-cache/squid	affected 5.0.3 to before 6.4 semver Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 9 Package name: squid https://access.redhat.com/downloads/content/package-browser/	unaffected 7:5.5-5.el9_2.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: squid https://access.redhat.com/downloads/content/package-browser/	unaffected 7:5.5-6.el9_3.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support Package name: squid https://access.redhat.com/downloads/content/package-browser/	unaffected 7:5.2-1.el9_0.3 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: squid https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 7 Package name: squid https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 8 Package name: squid:4/squid https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

Identifiers: CVE-2023-46848
CNA: redhat
Weakness (CWE): CWE-681
Tags: Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 9.0 Extended Update Support
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
CWE-681
Published: 3 Nov 2023
Updated: 25 Feb 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.6	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.11, the 96th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 3 Nov 2023. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2023:6266 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:6268 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2023:6748 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2023-46848 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2245919 issue-trackingredhat
github.com/squid-cache/squid/security/advisories/GHSA-2g3c-pg7q-g59w

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.