os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote…
Priority MEDIUM 49CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · 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-476.
Summary
os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a crafted request, involving writing a client request body to a temporary file.
Why it matters now
EPSS 0.16376 96th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* | 1.3.9 to before 1.10.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:nginx:1.11.0:*:*:*:*:*:*:* | 1.11.0 | Vulnerable | F5 |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- 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:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* Versions 1.3.9 to before 1.10.1 Vulnerable ·F5
- cpe:2.3:a:f5:nginx:1.11.0:*:*:*:*:*:*:* Versions 1.11.0 Vulnerable ·F5
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
Remediation
Red Hat 1 advisory
- RHSA-2016:1425 Released 2016-07-14 · Red Hat rating Moderaterh-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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Software Collections | Affected | No 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
- 2026-10-02 Threatist record created from CVE-2016-4450
- 2026-10-03 Alias added: GHSA-qw3j-mxg7-jx9v
References
Sources
- CVE-2016-4450 · CVE Program
- CVE-2016-4450 · NVD
- FIRST EPSS
- GHSA-qw3j-mxg7-jx9v · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4450 · Red Hat security data · CC BY 4.0
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