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TI-2016-00667 Aliases CVE-2016-0746GHSA-c3r2-x25x-6jwc

Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x…

Priority MEDIUM 53CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 8 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (worker process crash) or possibly have unspecified other impact via a crafted DNS response related to CNAME response processing.

Why it matters now

EPSS 0.0886 95th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 1 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 · 8

CPEVersionsRoleVendor
cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*0.6.18 – 1.8.0; 1.9.0 to before 1.9.10VulnerableF5
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*15.10VulnerableCanonical
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*42.1VulnerableopenSUSE
cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*before 13.0VulnerableApple
  • cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* Versions 0.6.18 – 1.8.0; 1.9.0 to before 1.9.10 Vulnerable ·F5
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·openSUSE
  • cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:* Versions before 13.0 Vulnerable ·Apple

Remediation

Red Hat 1 advisory

  • RHSA-2016:1425 Released 2016-07-14 · Red Hat rating Moderate
    rh-nginx18-nginx security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-nginx18-nginx-1:1.8.1-1.el6
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nginx18-nginx-1:1.8.1-1.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) rh-nginx18-nginx-1:1.8.1-1.el6
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-nginx18-nginx-1:1.8.1-1.el6
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) rh-nginx18-nginx-1:1.8.1-1.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) rh-nginx18-nginx-1:1.8.1-1.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-nginx18-nginx-1:1.8.1-1.el6
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nginx18-nginx-1:1.8.1-1.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Software CollectionsAffectedNo fix planned: Will not fix
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2016:1425
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:1425
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6)Fixed RHSA-2016:1425
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2016:1425
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1)Fixed RHSA-2016:1425
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2)Fixed RHSA-2016:1425
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2016:1425
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:1425

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-0746
  2. 2026-10-03 Alias added: GHSA-c3r2-x25x-6jwc

References

Patch 1

Advisory 9

Sources

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