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TI-2005-00080 Aliases CVE-2005-0095GHSA-f5hx-2mw6-fpj8

The WCCP message parsing code in Squid 2.5.STABLE7 and earlier allows remote attackers to…

Priority MEDIUM 60Published · 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
None · None · Partial
Fix status
Fixed

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

Summary

The WCCP message parsing code in Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (crash) via malformed WCCP messages with source addresses that are spoofed to reference Squid's home router and invalid WCCP_I_SEE_YOU cache numbers.

Why it matters now

EPSS 0.68776 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

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 · 27

CPEVersionsRoleVendor
cpe:2.3:a:squid:squid:2.0_patch2:*:*:*:*:*:*:*2.0_patch2VulnerableSquid
cpe:2.3:a:squid:squid:2.1_patch2:*:*:*:*:*:*:*2.1_patch2VulnerableSquid
cpe:2.3:a:squid:squid:2.3_.stable4:*:*:*:*:*:*:*2.3_.stable4VulnerableSquid
cpe:2.3:a:squid:squid:2.3_.stable5:*:*:*:*:*:*:*2.3_.stable5VulnerableSquid
cpe:2.3:a:squid:squid:2.3_stable5:*:*:*:*:*:*:*2.3_stable5VulnerableSquid
cpe:2.3:a:squid:squid:2.4:*:*:*:*:*:*:*2.4VulnerableSquid
cpe:2.3:a:squid:squid:2.4_.stable2:*:*:*:*:*:*:*2.4_.stable2VulnerableSquid
cpe:2.3:a:squid:squid:2.4_.stable6:*:*:*:*:*:*:*2.4_.stable6VulnerableSquid
cpe:2.3:a:squid:squid:2.4_.stable7:*:*:*:*:*:*:*2.4_.stable7VulnerableSquid
cpe:2.3:a:squid:squid:2.4_stable7:*:*:*:*:*:*:*2.4_stable7VulnerableSquid
  • cpe:2.3:a:squid:squid:2.0_patch2:*:*:*:*:*:*:* Versions 2.0_patch2 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.1_patch2:*:*:*:*:*:*:* Versions 2.1_patch2 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.3_.stable4:*:*:*:*:*:*:* Versions 2.3_.stable4 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.3_.stable5:*:*:*:*:*:*:* Versions 2.3_.stable5 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.3_stable5:*:*:*:*:*:*:* Versions 2.3_stable5 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.4:*:*:*:*:*:*:* Versions 2.4 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.4_.stable2:*:*:*:*:*:*:* Versions 2.4_.stable2 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.4_.stable6:*:*:*:*:*:*:* Versions 2.4_.stable6 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.4_.stable7:*:*:*:*:*:*:* Versions 2.4_.stable7 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.4_stable7:*:*:*:*:*:*:* Versions 2.4_stable7 Vulnerable ·Squid
Show 17 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:squid:squid:2.5.6:*:*:*:*:*:*:*2.5.6VulnerableSquid
cpe:2.3:a:squid:squid:2.5.stable1:*:*:*:*:*:*:*2.5.stable1VulnerableSquid
cpe:2.3:a:squid:squid:2.5.stable2:*:*:*:*:*:*:*2.5.stable2VulnerableSquid
cpe:2.3:a:squid:squid:2.5.stable3:*:*:*:*:*:*:*2.5.stable3VulnerableSquid
cpe:2.3:a:squid:squid:2.5.stable4:*:*:*:*:*:*:*2.5.stable4VulnerableSquid
cpe:2.3:a:squid:squid:2.5.stable5:*:*:*:*:*:*:*2.5.stable5VulnerableSquid
cpe:2.3:a:squid:squid:2.5.stable6:*:*:*:*:*:*:*2.5.stable6VulnerableSquid
cpe:2.3:a:squid:squid:2.5.stable7:*:*:*:*:*:*:*2.5.stable7VulnerableSquid
cpe:2.3:a:squid:squid:2.5_.stable1:*:*:*:*:*:*:*2.5_.stable1VulnerableSquid
cpe:2.3:a:squid:squid:2.5_.stable3:*:*:*:*:*:*:*2.5_.stable3VulnerableSquid
cpe:2.3:a:squid:squid:2.5_.stable4:*:*:*:*:*:*:*2.5_.stable4VulnerableSquid
cpe:2.3:a:squid:squid:2.5_.stable5:*:*:*:*:*:*:*2.5_.stable5VulnerableSquid
cpe:2.3:a:squid:squid:2.5_.stable6:*:*:*:*:*:*:*2.5_.stable6VulnerableSquid
cpe:2.3:a:squid:squid:2.5_stable3:*:*:*:*:*:*:*2.5_stable3VulnerableSquid
cpe:2.3:a:squid:squid:2.5_stable4:*:*:*:*:*:*:*2.5_stable4VulnerableSquid
cpe:2.3:a:squid:squid:2.5_stable9:*:*:*:*:*:*:*2.5_stable9VulnerableSquid
cpe:2.3:a:squid:squid:2.6.stable1:*:*:*:*:*:*:*2.6.stable1VulnerableSquid
  • cpe:2.3:a:squid:squid:2.5.6:*:*:*:*:*:*:* Versions 2.5.6 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5.stable1:*:*:*:*:*:*:* Versions 2.5.stable1 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5.stable2:*:*:*:*:*:*:* Versions 2.5.stable2 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5.stable3:*:*:*:*:*:*:* Versions 2.5.stable3 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5.stable4:*:*:*:*:*:*:* Versions 2.5.stable4 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5.stable5:*:*:*:*:*:*:* Versions 2.5.stable5 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5.stable6:*:*:*:*:*:*:* Versions 2.5.stable6 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5.stable7:*:*:*:*:*:*:* Versions 2.5.stable7 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5_.stable1:*:*:*:*:*:*:* Versions 2.5_.stable1 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5_.stable3:*:*:*:*:*:*:* Versions 2.5_.stable3 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5_.stable4:*:*:*:*:*:*:* Versions 2.5_.stable4 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5_.stable5:*:*:*:*:*:*:* Versions 2.5_.stable5 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5_.stable6:*:*:*:*:*:*:* Versions 2.5_.stable6 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5_stable3:*:*:*:*:*:*:* Versions 2.5_stable3 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5_stable4:*:*:*:*:*:*:* Versions 2.5_stable4 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.5_stable9:*:*:*:*:*:*:* Versions 2.5_stable9 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.6.stable1:*:*:*:*:*:*:* Versions 2.6.stable1 Vulnerable ·Squid

Remediation

Red Hat 2 advisories

  • RHSA-2005:060 Released 2005-02-15 · Red Hat rating Important
    squid security update
    • Red Hat Enterprise Linux AS version 4 squid-7:2.5.STABLE6-3.4E.3, squid-7:2.5.STABLE6-3.4E.3.i386, squid-7:2.5.STABLE6-3.4E.3.ia64 +1
    • Red Hat Enterprise Linux Desktop version 4 squid-7:2.5.STABLE6-3.4E.3, squid-7:2.5.STABLE6-3.4E.3.i386
    • Red Hat Enterprise Linux ES version 4 squid-7:2.5.STABLE6-3.4E.3, squid-7:2.5.STABLE6-3.4E.3.i386, squid-7:2.5.STABLE6-3.4E.3.ia64
    • Red Hat Enterprise Linux WS version 4 squid-7:2.5.STABLE6-3.4E.3, squid-7:2.5.STABLE6-3.4E.3.i386, squid-7:2.5.STABLE6-3.4E.3.ia64
  • RHSA-2005:061 Released 2005-02-11 · Red Hat rating Important
    squid security update
    • Red Hat Desktop version 3 squid-7:2.5.STABLE3-6.3E.7, squid-7:2.5.STABLE3-6.3E.7.i386
    • Red Hat Enterprise Linux AS version 3 squid-7:2.5.STABLE3-6.3E.7, squid-7:2.5.STABLE3-6.3E.7.i386, squid-7:2.5.STABLE3-6.3E.7.ia64 +1
    • Red Hat Enterprise Linux ES version 3 squid-7:2.5.STABLE3-6.3E.7, squid-7:2.5.STABLE3-6.3E.7.i386, squid-7:2.5.STABLE3-6.3E.7.ia64
    • Red Hat Enterprise Linux WS version 3 squid-7:2.5.STABLE3-6.3E.7, squid-7:2.5.STABLE3-6.3E.7.i386, squid-7:2.5.STABLE3-6.3E.7.ia64

Vendor assessments

Red Hat

Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2005:061
Red Hat Enterprise Linux AS version 3Fixed RHSA-2005:061
Red Hat Enterprise Linux AS version 4Fixed RHSA-2005:060
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2005:060
Red Hat Enterprise Linux ES version 3Fixed RHSA-2005:061
Red Hat Enterprise Linux ES version 4Fixed RHSA-2005:060
Red Hat Enterprise Linux WS version 3Fixed RHSA-2005:061
Red Hat Enterprise Linux WS version 4Fixed RHSA-2005:060

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-0095
  2. 2026-10-03 Alias added: GHSA-f5hx-2mw6-fpj8

References

Exploit 1

Patch 8

Advisory 2

Other 2

  • TI-2009-00458 Squid 2.7 to 2.7.STABLE5, 3.0 to 3.0.STABLE12, and 3.1 to 3.1.0.4 allows remote attackers… CVSS 2.0MEDIUM 5.0
  • TI-2005-00207 The httpProcessReplyHeader function in http.c for Squid 2.5-STABLE7 and earlier does not… CVSS 2.0MEDIUM 5.0
  • TI-2005-00142 squid_ldap_auth in Squid 2.5 and earlier allows remote authenticated users to bypass… CVSS 2.0HIGH 7.5
  • TI-2005-00143 Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct… CVSS 2.0MEDIUM 5.0
  • TI-2005-00404 Squid 2.5.STABLE8 and earlier allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0
  • TI-2005-00162 Squid 2.5, when processing the configuration file, parses empty Access Control Lists… CVSS 2.0HIGH 10.0
See all 36 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences