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TI-2009-00458 Aliases CVE-2009-0478GHSA-cfw6-qxff-576v

Squid 2.7 to 2.7.STABLE5, 3.0 to 3.0.STABLE12, and 3.1 to 3.1.0.4 allows remote attackers…

Priority MEDIUM 61CWE-20Published · 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
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Squid 2.7 to 2.7.STABLE5, 3.0 to 3.0.STABLE12, and 3.1 to 3.1.0.4 allows remote attackers to cause a denial of service via an HTTP request with an invalid version number, which triggers a reachable assertion in (1) HttpMsg.c and (2) HttpStatusLine.c.

Why it matters now

EPSS 0.71986 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

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 · 22

CPEVersionsRoleVendor
cpe:2.3:a:squid:squid:2.7.stable1:*:*:*:*:*:*:*2.7.stable1VulnerableSquid
cpe:2.3:a:squid:squid:2.7.stable2:*:*:*:*:*:*:*2.7.stable2VulnerableSquid
cpe:2.3:a:squid:squid:2.7.stable3:*:*:*:*:*:*:*2.7.stable3VulnerableSquid
cpe:2.3:a:squid:squid:2.7.stable4:*:*:*:*:*:*:*2.7.stable4VulnerableSquid
cpe:2.3:a:squid:squid:2.7.stable5:*:*:*:*:*:*:*2.7.stable5VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable1:*:*:*:*:*:*:*3.0.stable1VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable2:*:*:*:*:*:*:*3.0.stable2VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable3:*:*:*:*:*:*:*3.0.stable3VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable4:*:*:*:*:*:*:*3.0.stable4VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable5:*:*:*:*:*:*:*3.0.stable5VulnerableSquid
  • cpe:2.3:a:squid:squid:2.7.stable1:*:*:*:*:*:*:* Versions 2.7.stable1 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.7.stable2:*:*:*:*:*:*:* Versions 2.7.stable2 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.7.stable3:*:*:*:*:*:*:* Versions 2.7.stable3 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.7.stable4:*:*:*:*:*:*:* Versions 2.7.stable4 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:2.7.stable5:*:*:*:*:*:*:* Versions 2.7.stable5 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable1:*:*:*:*:*:*:* Versions 3.0.stable1 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable2:*:*:*:*:*:*:* Versions 3.0.stable2 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable3:*:*:*:*:*:*:* Versions 3.0.stable3 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable4:*:*:*:*:*:*:* Versions 3.0.stable4 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable5:*:*:*:*:*:*:* Versions 3.0.stable5 Vulnerable ·Squid
Show 12 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:squid:squid:3.0.stable6:*:*:*:*:*:*:*3.0.stable6VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable7:*:*:*:*:*:*:*3.0.stable7VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable8:*:*:*:*:*:*:*3.0.stable8VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable9:*:*:*:*:*:*:*3.0.stable9VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable10:*:*:*:*:*:*:*3.0.stable10VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable11:*:*:*:*:*:*:*3.0.stable11VulnerableSquid
cpe:2.3:a:squid:squid:3.0.stable12:*:*:*:*:*:*:*3.0.stable12VulnerableSquid
cpe:2.3:a:squid:squid:3.1:*:*:*:*:*:*:*3.1VulnerableSquid
cpe:2.3:a:squid:squid:3.1.0.1:*:*:*:*:*:*:*3.1.0.1VulnerableSquid
cpe:2.3:a:squid:squid:3.1.0.2:*:*:*:*:*:*:*3.1.0.2VulnerableSquid
cpe:2.3:a:squid:squid:3.1.0.3:*:*:*:*:*:*:*3.1.0.3VulnerableSquid
cpe:2.3:a:squid:squid:3.1.0.4:*:*:*:*:*:*:*3.1.0.4VulnerableSquid
  • cpe:2.3:a:squid:squid:3.0.stable6:*:*:*:*:*:*:* Versions 3.0.stable6 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable7:*:*:*:*:*:*:* Versions 3.0.stable7 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable8:*:*:*:*:*:*:* Versions 3.0.stable8 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable9:*:*:*:*:*:*:* Versions 3.0.stable9 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable10:*:*:*:*:*:*:* Versions 3.0.stable10 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable11:*:*:*:*:*:*:* Versions 3.0.stable11 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.0.stable12:*:*:*:*:*:*:* Versions 3.0.stable12 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.1.0.1:*:*:*:*:*:*:* Versions 3.1.0.1 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.1.0.2:*:*:*:*:*:*:* Versions 3.1.0.2 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.1.0.3:*:*:*:*:*:*:* Versions 3.1.0.3 Vulnerable ·Squid
  • cpe:2.3:a:squid:squid:3.1.0.4:*:*:*:*:*:*:* Versions 3.1.0.4 Vulnerable ·Squid

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-0478
  2. 2026-10-03 Alias added: GHSA-cfw6-qxff-576v

References

  • TI-2005-00207 The httpProcessReplyHeader function in http.c for Squid 2.5-STABLE7 and earlier does not… CVSS 2.0MEDIUM 5.0
  • TI-2005-00080 The WCCP message parsing code in Squid 2.5.STABLE7 and earlier allows remote attackers to… 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