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TI-2016-02317 Aliases CVE-2016-2572GHSA-6789-43mm-jrhx

http.cc in Squid 4.x before 4.0.7 relies on the HTTP status code after a response-parsing…

Priority MEDIUM 45CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 4 fixed, 2 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

http.cc in Squid 4.x before 4.0.7 relies on the HTTP status code after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a malformed response.

Why it matters now

EPSS 0.10154 95th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 4 fixed, 2 without a fix

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 · 6

CPEVersionsRoleVendor
cpe:2.3:a:squid-cache:squid:4.0.1:*:*:*:*:*:*:*4.0.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:4.0.2:*:*:*:*:*:*:*4.0.2Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:4.0.3:*:*:*:*:*:*:*4.0.3Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:4.0.4:*:*:*:*:*:*:*4.0.4Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:4.0.5:*:*:*:*:*:*:*4.0.5Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:4.0.6:*:*:*:*:*:*:*4.0.6Vulnerablesquid-cache
  • cpe:2.3:a:squid-cache:squid:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:4.0.5:*:*:*:*:*:*:* Versions 4.0.5 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:4.0.6:*:*:*:*:*:*:* Versions 4.0.6 Vulnerable ·squid-cache

Remediation

Red Hat 1 advisory

  • RHSA-2016:2600 Released 2016-11-03 · Red Hat rating Moderate
    squid security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Server (v. 7) squid-7:3.5.20-2.el7, squid-migration-script-7:3.5.20-2.el7
    • Red Hat Enterprise Linux Server Optional (v. 7) squid-sysvinit-7:3.5.20-2.el7
    • Red Hat Enterprise Linux Workstation (v. 7) squid-7:3.5.20-2.el7, squid-migration-script-7:3.5.20-2.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) squid-sysvinit-7:3.5.20-2.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:2600
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:2600
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:2600
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:2600

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-2572
  2. 2026-10-03 Alias added: GHSA-6789-43mm-jrhx

References

Advisory 7

Other 1

  • TI-2025-38486 Squid vulnerable to information disclosure via authentication credential leakage in error handling CVSS 3.1CRITICAL 10.0
  • TI-2024-16845 Denial of Service in HTTP Header parser in squid proxy CVSS 3.1HIGH 7.5
  • TI-2024-16566 SQUID-2024:1 Denial of Service in HTTP Chunked Decoding CVSS 3.1HIGH 8.6
  • TI-2023-26921 Denial of Service in HTTP Message Processing in Squid CVSS 3.1HIGH 8.6
  • TI-2023-27496 SQUID-2023:10 Denial of Service in HTTP Request parsing CVSS 3.1HIGH 8.6
  • TI-2023-25306 Squid: denial of service in http digest authentication CVSS 3.1HIGH 8.6
See all 110 →

Sources

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