HighFix available
nginx — security advisory
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.
- Products
- nginx
- Affected versions
- Not specified
- Fixed versions
- 1.12.1-r4, 1.12.2-r2, 1.14.1-r0
- CVEs
- CVE-2018-16844
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 21:58 UTC · Revision 1
Source evidence
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.
osv:ALPINE-CVE-2018-16844
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.12.2-r2
nginx
Fixed versions: 1.12.1-r4
nginx
Fixed versions: 1.14.1-r0
nginx
Fixed versions: 1.14.1-r0
Complete source record
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],
"modified": "2026-10-23T17:17:55.228461021Z",
"provider": "osv",
"upstream": [
"CVE-2018-16844"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2018-16844"
]
},
"related_cves": [
{
"value": "CVE-2018-16844",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415092,
"published_at": "2018-11-07T14:29:00.837+00:00"
}