SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.5EPSS 11.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 11.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
11.38% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-681
Affected
squid-cache/squid · redhat/enterprise linux · redhat/enterprise linux eus · redhat/enterprise linux server aus · redhat/enterprise linux server tus
Source
secalert@redhat.com
EPSS trend
0%8%15%3 November 2026: 11.38%3 November 20263 November 2026

EPSS 11.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.