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TI-2015-03046 Aliases CVE-2015-3455GHSA-5r9c-4h43-4v5m

Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before…

Priority LOW 27CWE-20Published · Updated

Key facts

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

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

Summary

Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before 3.5.4, when configured with client-first SSL-bump, do not properly validate the domain or hostname fields of X.509 certificates, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate.

Why it matters now

EPSS 0.11402 96th 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 · 73

CPEVersionsRoleVendor
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*7VulnerableOracle
cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*11.2VulnerableOracle
cpe:2.3:a:squid-cache:squid:3.2.0.1:*:*:*:*:*:*:*3.2.0.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.2:*:*:*:*:*:*:*3.2.0.2Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.3:*:*:*:*:*:*:*3.2.0.3Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.4:*:*:*:*:*:*:*3.2.0.4Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.5:*:*:*:*:*:*:*3.2.0.5Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.6:*:*:*:*:*:*:*3.2.0.6Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.7:*:*:*:*:*:*:*3.2.0.7Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.8:*:*:*:*:*:*:*3.2.0.8Vulnerablesquid-cache
  • cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Oracle
  • cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:* Versions 11.2 Vulnerable ·Oracle
  • cpe:2.3:a:squid-cache:squid:3.2.0.1:*:*:*:*:*:*:* Versions 3.2.0.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.2:*:*:*:*:*:*:* Versions 3.2.0.2 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.3:*:*:*:*:*:*:* Versions 3.2.0.3 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.4:*:*:*:*:*:*:* Versions 3.2.0.4 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.5:*:*:*:*:*:*:* Versions 3.2.0.5 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.6:*:*:*:*:*:*:* Versions 3.2.0.6 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.7:*:*:*:*:*:*:* Versions 3.2.0.7 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.8:*:*:*:*:*:*:* Versions 3.2.0.8 Vulnerable ·squid-cache
Show 63 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:squid-cache:squid:3.2.0.9:*:*:*:*:*:*:*3.2.0.9Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.10:*:*:*:*:*:*:*3.2.0.10Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.11:*:*:*:*:*:*:*3.2.0.11Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.12:*:*:*:*:*:*:*3.2.0.12Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.13:*:*:*:*:*:*:*3.2.0.13Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.14:*:*:*:*:*:*:*3.2.0.14Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.15:*:*:*:*:*:*:*3.2.0.15Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.16:*:*:*:*:*:*:*3.2.0.16Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.17:*:*:*:*:*:*:*3.2.0.17Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.18:*:*:*:*:*:*:*3.2.0.18Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.0.19:*:*:*:*:*:*:*3.2.0.19Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.1:*:*:*:*:*:*:*3.2.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.2:*:*:*:*:*:*:*3.2.2Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.3:*:*:*:*:*:*:*3.2.3Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.4:*:*:*:*:*:*:*3.2.4Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.5:*:*:*:*:*:*:*3.2.5Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.6:*:*:*:*:*:*:*3.2.6Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.7:*:*:*:*:*:*:*3.2.7Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.8:*:*:*:*:*:*:*3.2.8Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.9:*:*:*:*:*:*:*3.2.9Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.10:*:*:*:*:*:*:*3.2.10Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.11:*:*:*:*:*:*:*3.2.11Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.12:*:*:*:*:*:*:*3.2.12Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.2.13:*:*:*:*:*:*:*3.2.13Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.0:*:*:*:*:*:*:*3.3.0Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.0.1:*:*:*:*:*:*:*3.3.0.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.0.2:*:*:*:*:*:*:*3.3.0.2Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.0.3:*:*:*:*:*:*:*3.3.0.3Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.1:*:*:*:*:*:*:*3.3.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.2:*:*:*:*:*:*:*3.3.2Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.3:*:*:*:*:*:*:*3.3.3Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.4:*:*:*:*:*:*:*3.3.4Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.5:*:*:*:*:*:*:*3.3.5Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.6:*:*:*:*:*:*:*3.3.6Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.7:*:*:*:*:*:*:*3.3.7Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.8:*:*:*:*:*:*:*3.3.8Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.9:*:*:*:*:*:*:*3.3.9Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.10:*:*:*:*:*:*:*3.3.10Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.11:*:*:*:*:*:*:*3.3.11Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.12:*:*:*:*:*:*:*3.3.12Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.3.13:*:*:*:*:*:*:*3.3.13Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.0.1:*:*:*:*:*:*:*3.4.0.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.0.2:*:*:*:*:*:*:*3.4.0.2Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.0.3:*:*:*:*:*:*:*3.4.0.3Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.1:*:*:*:*:*:*:*3.4.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.2:*:*:*:*:*:*:*3.4.2Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.3:*:*:*:*:*:*:*3.4.3Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.4:*:*:*:*:*:*:*3.4.4Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.5:*:*:*:*:*:*:*3.4.5Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.6:*:*:*:*:*:*:*3.4.6Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.7:*:*:*:*:*:*:*3.4.7Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.8:*:*:*:*:*:*:*3.4.8Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.9:*:*:*:*:*:*:*3.4.9Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.10:*:*:*:*:*:*:*3.4.10Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.11:*:*:*:*:*:*:*3.4.11Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.4.12:*:*:*:*:*:*:*3.4.12Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.5.0.1:*:*:*:*:*:*:*3.5.0.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.5.0.2:*:*:*:*:*:*:*3.5.0.2Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.5.0.3:*:*:*:*:*:*:*3.5.0.3Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.5.0.4:*:*:*:*:*:*:*3.5.0.4Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.5.1:*:*:*:*:*:*:*3.5.1Vulnerablesquid-cache
cpe:2.3:a:squid-cache:squid:3.5.2:*:*:*:*:*:*:*3.5.2Vulnerablesquid-cache
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*22VulnerableFedoraproject
  • cpe:2.3:a:squid-cache:squid:3.2.0.9:*:*:*:*:*:*:* Versions 3.2.0.9 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.10:*:*:*:*:*:*:* Versions 3.2.0.10 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.11:*:*:*:*:*:*:* Versions 3.2.0.11 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.12:*:*:*:*:*:*:* Versions 3.2.0.12 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.13:*:*:*:*:*:*:* Versions 3.2.0.13 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.14:*:*:*:*:*:*:* Versions 3.2.0.14 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.15:*:*:*:*:*:*:* Versions 3.2.0.15 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.16:*:*:*:*:*:*:* Versions 3.2.0.16 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.17:*:*:*:*:*:*:* Versions 3.2.0.17 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.18:*:*:*:*:*:*:* Versions 3.2.0.18 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.0.19:*:*:*:*:*:*:* Versions 3.2.0.19 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.2:*:*:*:*:*:*:* Versions 3.2.2 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.3:*:*:*:*:*:*:* Versions 3.2.3 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.4:*:*:*:*:*:*:* Versions 3.2.4 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.5:*:*:*:*:*:*:* Versions 3.2.5 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.6:*:*:*:*:*:*:* Versions 3.2.6 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.7:*:*:*:*:*:*:* Versions 3.2.7 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.8:*:*:*:*:*:*:* Versions 3.2.8 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.9:*:*:*:*:*:*:* Versions 3.2.9 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.10:*:*:*:*:*:*:* Versions 3.2.10 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.11:*:*:*:*:*:*:* Versions 3.2.11 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.12:*:*:*:*:*:*:* Versions 3.2.12 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.2.13:*:*:*:*:*:*:* Versions 3.2.13 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.0:*:*:*:*:*:*:* Versions 3.3.0 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.0.1:*:*:*:*:*:*:* Versions 3.3.0.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.0.2:*:*:*:*:*:*:* Versions 3.3.0.2 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.0.3:*:*:*:*:*:*:* Versions 3.3.0.3 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.1:*:*:*:*:*:*:* Versions 3.3.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.2:*:*:*:*:*:*:* Versions 3.3.2 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.3:*:*:*:*:*:*:* Versions 3.3.3 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.4:*:*:*:*:*:*:* Versions 3.3.4 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.5:*:*:*:*:*:*:* Versions 3.3.5 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.6:*:*:*:*:*:*:* Versions 3.3.6 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.7:*:*:*:*:*:*:* Versions 3.3.7 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.8:*:*:*:*:*:*:* Versions 3.3.8 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.9:*:*:*:*:*:*:* Versions 3.3.9 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.10:*:*:*:*:*:*:* Versions 3.3.10 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.11:*:*:*:*:*:*:* Versions 3.3.11 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.12:*:*:*:*:*:*:* Versions 3.3.12 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.3.13:*:*:*:*:*:*:* Versions 3.3.13 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.0.1:*:*:*:*:*:*:* Versions 3.4.0.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.0.2:*:*:*:*:*:*:* Versions 3.4.0.2 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.0.3:*:*:*:*:*:*:* Versions 3.4.0.3 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.1:*:*:*:*:*:*:* Versions 3.4.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.2:*:*:*:*:*:*:* Versions 3.4.2 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.3:*:*:*:*:*:*:* Versions 3.4.3 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.4:*:*:*:*:*:*:* Versions 3.4.4 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.5:*:*:*:*:*:*:* Versions 3.4.5 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.6:*:*:*:*:*:*:* Versions 3.4.6 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.7:*:*:*:*:*:*:* Versions 3.4.7 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.8:*:*:*:*:*:*:* Versions 3.4.8 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.9:*:*:*:*:*:*:* Versions 3.4.9 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.10:*:*:*:*:*:*:* Versions 3.4.10 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.11:*:*:*:*:*:*:* Versions 3.4.11 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.4.12:*:*:*:*:*:*:* Versions 3.4.12 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.5.0.1:*:*:*:*:*:*:* Versions 3.5.0.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.5.0.2:*:*:*:*:*:*:* Versions 3.5.0.2 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.5.0.3:*:*:*:*:*:*:* Versions 3.5.0.3 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.5.0.4:*:*:*:*:*:*:* Versions 3.5.0.4 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.5.1:*:*:*:*:*:*:* Versions 3.5.1 Vulnerable ·squid-cache
  • cpe:2.3:a:squid-cache:squid:3.5.2:*:*:*:*:*:*:* Versions 3.5.2 Vulnerable ·squid-cache
  • cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* Versions 22 Vulnerable ·Fedoraproject

Remediation

Red Hat 1 advisory

  • RHSA-2015:2378 Released 2015-11-19 · Red Hat rating Moderate
    squid security and bug fix update
    • Red Hat Enterprise Linux Server (v. 7) squid-7:3.3.8-26.el7
    • Red Hat Enterprise Linux Server Optional (v. 7) squid-sysvinit-7:3.3.8-26.el7
    • Red Hat Enterprise Linux Workstation (v. 7) squid-7:3.3.8-26.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) squid-sysvinit-7:3.3.8-26.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:2378
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:2378
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:2378
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:2378
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-3455
  2. 2026-10-03 Alias added: GHSA-5r9c-4h43-4v5m

References

Advisory 9

Sources

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