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.
CVE-2016-4450
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 54(Track)EG Risk 54/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation40% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 16%
- EPSS %ILE
- 97%
- KEV
- Not listed
Published
June 7, 2016
Last Modified
June 17, 2026
References (14)
- secalert@redhathttp://mailman.nginx.org/pipermail/nginx-announce/2016/000179.html
- secalert@redhathttp://www.debian.org/security/2016/dsa-3592
- secalert@redhathttp://www.securityfocus.com/bid/90967
- secalert@redhathttp://www.securitytracker.com/id/1036019
- secalert@redhathttp://www.ubuntu.com/usn/USN-2991-1
- secalert@redhathttps://access.redhat.com/errata/RHSA-2016:1425
- secalert@redhathttps://security.gentoo.org/glsa/201606-06
- af854a3a-2127-422b-91ae-364da2661108http://mailman.nginx.org/pipermail/nginx-announce/2016/000179.html
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3592
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/90967
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1036019
- af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2991-1
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2016:1425
- af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201606-06
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | nginx-light (1.10.0-0ubuntu0.16.04.2) @ xenial | 2026-05-22 | ubuntu |
| redhat | rh-nginx18-nginx-1:1.8.1-1.el7 | 2016-07-14 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(5 across 5 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nginx | — | 1.10.1-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nginx | — | 1.10.1-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nginx | — | 1.10.1-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nginx | — | 1.10.1-1 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| nginx | 1.6.2-5, 1.6.2-5+a.exp1, 1.6.2-5+deb8u1, 1.6.2-5+deb8u1~bpo70+1, 1.6.2-5+deb8u2~bpo70+1 | 1.6.2-5+deb8u2 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 6× in last 7d / 17× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 132 total refreshes for this CVE.
- 2026-09-19 00:30 UTCOSV refresh
- 2026-09-18 19:22 UTCEPSS rescore
- 2026-09-17 19:21 UTCEPSS rescore
- 2026-09-15 03:05 UTCEPSS rescore
- 2026-09-13 16:41 UTCEPSS rescore
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- 2026-08-31 04:08 UTCOSV refresh
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- 2026-08-15 01:25 UTCEPSS rescore
- 2026-08-14 12:15 UTCOSV refresh
- 2026-08-12 13:46 UTCEPSS rescore
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- 2026-08-11 13:36 UTCEPSS rescore
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- 2026-07-29 23:37 UTCOSV refresh
- 2026-07-28 15:31 UTCEPSS rescore
- 2026-07-26 14:50 UTCEPSS rescore
- 2026-07-25 14:13 UTCEPSS rescore
- 2026-07-23 14:14 UTCEPSS rescore
- 2026-07-23 01:23 UTCEG score recompute
- 2026-07-22 22:02 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
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- 2026-07-15 01:56 UTCEPSS rescore
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- 2026-07-13 22:26 UTCEPSS rescore
- 2026-07-13 06:09 UTCEPSS rescore
- 2026-07-12 09:37 UTCOSV refresh
- 2026-07-12 05:43 UTCEPSS rescore
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- 2026-06-24 14:02 UTCEPSS rescore
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- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 15:00 UTCOSV refresh
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-1009EG 10.0EPSS p93HIGH
- CVE-2001-0554EG 10.0EPSS p99HIGH
- CVE-2001-1162EG 10.0EPSS p96HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
Frequently asked(5)
What is CVE-2016-4450?
When was CVE-2016-4450 disclosed?
Is CVE-2016-4450 actively exploited?
What is the CVSS score of CVE-2016-4450?
How do I remediate CVE-2016-4450?
Dependency Blast Radius
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