CVE-2005-3258

The rfc1738_do_escape function in ftp.c for Squid 2.5 STABLE11 and earlier allows remote FTP servers to cause a denial of service (segmentation fault) via certain "odd" responses.

Published: 2005-10-20 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3258 is rated Moderate Risk (48.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 24.10%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-3258

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-08-20 33.82% 24.10% -9.72%
2 2025-03-30 40.10% 33.82% -6.28%
3 2025-03-29 40.10%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3258

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2005-3258

OS Trackers for CVE-2005-3258

vendor priority summary link
debian unimportant CVE-2005-3258 unimportant priority: Debian including 1 source packages (squid), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-3258
redhat https://access.redhat.com/security/cve/CVE-2005-3258
ubuntu medium CVE-2005-3258 medium priority: Ubuntu including 1 source packages (squid), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-3258

Vendor comments (NVD) for CVE-2005-3258

  • Red Hat (2006-08-30T00:00:00)

    Not vulnerable. These issues do not affect the versions of Squid as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.

Affected software / configurations for CVE-2005-3258

Vendor Product Version Raw CPE
squid squid 2.0.patch1 cpe:2.3:a:squid:squid:2.0.patch1:*:*:*:*:*:*:*
squid squid 2.0.patch2 cpe:2.3:a:squid:squid:2.0.patch2:*:*:*:*:*:*:*
squid squid 2.0.pre1 cpe:2.3:a:squid:squid:2.0.pre1:*:*:*:*:*:*:*
squid squid 2.0.release cpe:2.3:a:squid:squid:2.0.release:*:*:*:*:*:*:*
squid squid 2.1.patch1 cpe:2.3:a:squid:squid:2.1.patch1:*:*:*:*:*:*:*
squid squid 2.1.patch2 cpe:2.3:a:squid:squid:2.1.patch2:*:*:*:*:*:*:*
squid squid 2.1.pre1 cpe:2.3:a:squid:squid:2.1.pre1:*:*:*:*:*:*:*
squid squid 2.1.pre3 cpe:2.3:a:squid:squid:2.1.pre3:*:*:*:*:*:*:*
squid squid 2.1.pre4 cpe:2.3:a:squid:squid:2.1.pre4:*:*:*:*:*:*:*
squid squid 2.1.release cpe:2.3:a:squid:squid:2.1.release:*:*:*:*:*:*:*
squid squid 2.2.devel3 cpe:2.3:a:squid:squid:2.2.devel3:*:*:*:*:*:*:*
squid squid 2.2.devel4 cpe:2.3:a:squid:squid:2.2.devel4:*:*:*:*:*:*:*
squid squid 2.2.pre1 cpe:2.3:a:squid:squid:2.2.pre1:*:*:*:*:*:*:*
squid squid 2.2.pre2 cpe:2.3:a:squid:squid:2.2.pre2:*:*:*:*:*:*:*
squid squid 2.2.stable1 cpe:2.3:a:squid:squid:2.2.stable1:*:*:*:*:*:*:*
squid squid 2.2.stable2 cpe:2.3:a:squid:squid:2.2.stable2:*:*:*:*:*:*:*
squid squid 2.2.stable3 cpe:2.3:a:squid:squid:2.2.stable3:*:*:*:*:*:*:*
squid squid 2.2.stable4 cpe:2.3:a:squid:squid:2.2.stable4:*:*:*:*:*:*:*
squid squid 2.2.stable5 cpe:2.3:a:squid:squid:2.2.stable5:*:*:*:*:*:*:*
squid squid 2.3.devel2 cpe:2.3:a:squid:squid:2.3.devel2:*:*:*:*:*:*:*
squid squid 2.3.devel3 cpe:2.3:a:squid:squid:2.3.devel3:*:*:*:*:*:*:*
squid squid 2.3.stable1 cpe:2.3:a:squid:squid:2.3.stable1:*:*:*:*:*:*:*
squid squid 2.3.stable2 cpe:2.3:a:squid:squid:2.3.stable2:*:*:*:*:*:*:*
squid squid 2.3.stable3 cpe:2.3:a:squid:squid:2.3.stable3:*:*:*:*:*:*:*
squid squid 2.3.stable4 cpe:2.3:a:squid:squid:2.3.stable4:*:*:*:*:*:*:*
squid squid 2.3.stable5 cpe:2.3:a:squid:squid:2.3.stable5:*:*:*:*:*:*:*
squid squid 2.4 cpe:2.3:a:squid:squid:2.4:*:*:*:*:*:*:*
squid squid 2.4.stable1 cpe:2.3:a:squid:squid:2.4.stable1:*:*:*:*:*:*:*
squid squid 2.4.stable2 cpe:2.3:a:squid:squid:2.4.stable2:*:*:*:*:*:*:*
squid squid 2.4.stable3 cpe:2.3:a:squid:squid:2.4.stable3:*:*:*:*:*:*:*
squid squid 2.4.stable4 cpe:2.3:a:squid:squid:2.4.stable4:*:*:*:*:*:*:*
squid squid 2.4.stable6 cpe:2.3:a:squid:squid:2.4.stable6:*:*:*:*:*:*:*
squid squid 2.4.stable7 cpe:2.3:a:squid:squid:2.4.stable7:*:*:*:*:*:*:*
squid squid 2.5.6 cpe:2.3:a:squid:squid:2.5.6:*:*:*:*:*:*:*
squid squid 2.5.stable1 cpe:2.3:a:squid:squid:2.5.stable1:*:*:*:*:*:*:*
squid squid 2.5.stable2 cpe:2.3:a:squid:squid:2.5.stable2:*:*:*:*:*:*:*
squid squid 2.5.stable3 cpe:2.3:a:squid:squid:2.5.stable3:*:*:*:*:*:*:*
squid squid 2.5.stable4 cpe:2.3:a:squid:squid:2.5.stable4:*:*:*:*:*:*:*
squid squid 2.5.stable5 cpe:2.3:a:squid:squid:2.5.stable5:*:*:*:*:*:*:*
squid squid 2.5.stable6 cpe:2.3:a:squid:squid:2.5.stable6:*:*:*:*:*:*:*
squid squid 2.5.stable7 cpe:2.3:a:squid:squid:2.5.stable7:*:*:*:*:*:*:*
squid squid 2.5.stable8 cpe:2.3:a:squid:squid:2.5.stable8:*:*:*:*:*:*:*
squid squid 2.5.stable9 cpe:2.3:a:squid:squid:2.5.stable9:*:*:*:*:*:*:*
squid squid 2.5.stable10 cpe:2.3:a:squid:squid:2.5.stable10:*:*:*:*:*:*:*
squid squid 2.5.stable11 cpe:2.3:a:squid:squid:2.5.stable11:*:*:*:*:*:*:*

References for CVE-2005-3258

cvelogic Threat Intelligence