Read the docs
TI-2004-02349 Aliases CVE-2004-2479GHSA-wf7x-gjvh-m5r3

Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information…

Priority LOW 27Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · None · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.

Why it matters now

EPSS 0.02081 81st percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable1:*:*:*:*:*:*:*2.5_stable1VulnerableNational Science Foundation
cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable2:*:*:*:*:*:*:*2.5_stable2VulnerableNational Science Foundation
cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable3:*:*:*:*:*:*:*2.5_stable3VulnerableNational Science Foundation
cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable4:*:*:*:*:*:*:*2.5_stable4VulnerableNational Science Foundation
cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable5:*:*:*:*:*:*:*2.5_stable5VulnerableNational Science Foundation
cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable6:*:*:*:*:*:*:*2.5_stable6VulnerableNational Science Foundation
cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable7:*:*:*:*:*:*:*2.5_stable7VulnerableNational Science Foundation
  • cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable1:*:*:*:*:*:*:* Versions 2.5_stable1 Vulnerable ·National Science Foundation
  • cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable2:*:*:*:*:*:*:* Versions 2.5_stable2 Vulnerable ·National Science Foundation
  • cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable3:*:*:*:*:*:*:* Versions 2.5_stable3 Vulnerable ·National Science Foundation
  • cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable4:*:*:*:*:*:*:* Versions 2.5_stable4 Vulnerable ·National Science Foundation
  • cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable5:*:*:*:*:*:*:* Versions 2.5_stable5 Vulnerable ·National Science Foundation
  • cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable6:*:*:*:*:*:*:* Versions 2.5_stable6 Vulnerable ·National Science Foundation
  • cpe:2.3:a:national_science_foundation:squid_web_proxy_cache:2.5_stable7:*:*:*:*:*:*:* Versions 2.5_stable7 Vulnerable ·National Science Foundation

Remediation

Red Hat 1 advisory

  • RHSA-2005:766 Released 2005-09-15 · Red Hat rating Important
    squid security update
    • Red Hat Desktop version 3 squid-7:2.5.STABLE3-6.3E.14, squid-7:2.5.STABLE3-6.3E.14.i386
    • Red Hat Enterprise Linux AS version 3 squid-7:2.5.STABLE3-6.3E.14, squid-7:2.5.STABLE3-6.3E.14.i386, squid-7:2.5.STABLE3-6.3E.14.ia64 +1
    • Red Hat Enterprise Linux AS version 4 squid-7:2.5.STABLE6-3.4E.11, squid-7:2.5.STABLE6-3.4E.11.i386, squid-7:2.5.STABLE6-3.4E.11.ia64 +1
    • Red Hat Enterprise Linux Desktop version 4 squid-7:2.5.STABLE6-3.4E.11, squid-7:2.5.STABLE6-3.4E.11.i386
    • Red Hat Enterprise Linux ES version 3 squid-7:2.5.STABLE3-6.3E.14, squid-7:2.5.STABLE3-6.3E.14.i386, squid-7:2.5.STABLE3-6.3E.14.ia64
    • Red Hat Enterprise Linux ES version 4 squid-7:2.5.STABLE6-3.4E.11, squid-7:2.5.STABLE6-3.4E.11.i386, squid-7:2.5.STABLE6-3.4E.11.ia64
    • Red Hat Enterprise Linux WS version 3 squid-7:2.5.STABLE3-6.3E.14, squid-7:2.5.STABLE3-6.3E.14.i386, squid-7:2.5.STABLE3-6.3E.14.ia64
    • Red Hat Enterprise Linux WS version 4 squid-7:2.5.STABLE6-3.4E.11, squid-7:2.5.STABLE6-3.4E.11.i386, squid-7:2.5.STABLE6-3.4E.11.ia64

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2005:766
Red Hat Enterprise Linux AS version 3Fixed RHSA-2005:766
Red Hat Enterprise Linux AS version 4Fixed RHSA-2005:766
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2005:766
Red Hat Enterprise Linux ES version 3Fixed RHSA-2005:766
Red Hat Enterprise Linux ES version 4Fixed RHSA-2005:766
Red Hat Enterprise Linux WS version 3Fixed RHSA-2005:766
Red Hat Enterprise Linux WS version 4Fixed RHSA-2005:766

Timeline

  1. 2026-10-02 Threatist record created from CVE-2004-2479
  2. 2026-10-03 Alias added: GHSA-wf7x-gjvh-m5r3

References

  • TI-2004-00488 Buffer overflow in the ntlm_check_auth (NTLM authentication) function for Squid Web Proxy… CVSS 2.0HIGH 10.0
  • TI-2004-02350 Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and… CVSS 2.0MEDIUM 5.0

Sources