CVE-2023-46848
Squid: denial of service in ftp
HIGH
7.5
CVSS Score
Published: November 3, 2023 at 07:58 AM UTC
Updated: June 17, 2026 at 06:31 AM UTC
6 products affected across 2 vendorsEnterprise LinuxEnterprise Linux Server AusEnterprise Linux Eus
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Severity
HIGH7.5
Exploit prediction
EPSS 11%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Vendor states this is fixed in 6 (unaffected)
Vendor states this is fixed in 7 (unaffected)
Vendor states this is fixed in 7:5.2-1.el9_0.3 (unaffected)
Vendor states this is fixed in 7:5.5-5.el9_2.1 (unaffected)
Vendor states this is fixed in 7:5.5-6.el9_3.1 (unaffected)
Vendor states this is fixed in 8 (unaffected)
95%
95%
5.0.3 ≤ v < 6.4
Affected range stops below 6.4, so it looks safe — our inference, not a vendor statement
5.0.3 ≤ v < 6.4
Affected range stops below 6.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (7)
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:6266Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:6268Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2023:6748VDB Entryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2023-46848Issue Trackingx_refsource_REDHAT
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2245919Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20231214-0005/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-681
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