CVE-2023-46848

Name: CVE-2023-46848
Creator: NVD / NIST
Published: 2023-11-03T08:15:08.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 10.22%

Last modified Jun 17, 2026

CVE-2023-46848 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.. EPSS estimates a 10.22% chance of exploitation in the next 30 days.

Description

Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

10.22%

95.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Squid-Cache	Squid	>= 5.0.3, < 6.4
Redhat	Enterprise Linux	9.0
Redhat	Enterprise Linux Eus	9.2
Redhat	Enterprise Linux Server Aus	9.2
Redhat	Enterprise Linux Server Tus	9.2

References

https://access.redhat.com/errata/RHSA-2023:6266Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6268Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6748Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-46848Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2245919Issue Tracking
https://github.com/squid-cache/squid/security/advisories/GHSA-2g3c-pg7q-g59wVendor Advisory
https://access.redhat.com/errata/RHSA-2023:6266Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6268Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:6748Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-46848Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2245919Issue Tracking
https://github.com/squid-cache/squid/security/advisories/GHSA-2g3c-pg7q-g59wVendor Advisory
https://security.netapp.com/advisory/ntap-20231214-0005/

Timeline

Published: Nov 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-46848?

Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.

How severe is CVE-2023-46848?

CVE-2023-46848 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 10.22% probability of exploitation in the next 30 days.

How do I fix CVE-2023-46848?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-46848?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST