HighFix available
lighttpd, nghttp2 and 2 more products — security advisory
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
- Products
- lighttpd, nghttp2, nginx, varnish
- Affected versions
- Not specified
- Fixed versions
- 1.20.2-r2, 1.22.1-r1, 1.24.0-r12, 1.24.0-r7, 1.4.73-r0, 1.46.0-r2, 1.47.0-r2, 1.51.0-r2, 1.57.0-r0, 7.3.1-r0, 7.3.2-r0, 7.4.2-r0
- CVEs
- CVE-2023-44487
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:00 UTC · Revision 1
Source evidence
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
osv:ALPINE-CVE-2023-44487
lighttpd
Fixed versions: 1.4.73-r0
lighttpd
Fixed versions: 1.4.73-r0
lighttpd
Fixed versions: 1.4.73-r0
nghttp2
Fixed versions: 1.46.0-r2
nghttp2
Fixed versions: 1.47.0-r2
nghttp2
Fixed versions: 1.51.0-r2
nghttp2
Fixed versions: 1.57.0-r0
nghttp2
Fixed versions: 1.57.0-r0
nghttp2
Fixed versions: 1.57.0-r0
nghttp2
Fixed versions: 1.57.0-r0
nghttp2
Fixed versions: 1.57.0-r0
nghttp2
Fixed versions: 1.57.0-r0
nghttp2
Fixed versions: 1.57.0-r0
nginx
Fixed versions: 1.20.2-r2
nginx
Fixed versions: 1.22.1-r1
nginx
Fixed versions: 1.22.1-r1
nginx
Fixed versions: 1.24.0-r7
nginx
Fixed versions: 1.24.0-r12
nginx
Fixed versions: 1.24.0-r12
nginx
Fixed versions: 1.24.0-r12
nginx
Fixed versions: 1.24.0-r12
nginx
Fixed versions: 1.24.0-r12
nginx
Fixed versions: 1.24.0-r12
varnish
Fixed versions: 7.3.2-r0
varnish
Fixed versions: 7.3.1-r0
varnish
Fixed versions: 7.4.2-r0
varnish
Fixed versions: 7.4.2-r0
varnish
Fixed versions: 7.4.2-r0
varnish
Fixed versions: 7.4.2-r0
varnish
Fixed versions: 7.4.2-r0
varnish
Fixed versions: 7.4.2-r0
Complete source record
{
"id": "88d4ff36378fa6b8549ec2ad24f9ac520384634da6c2b7e25d847d5fa1523d71",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2023-44487",
"method": "structured",
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],
"modified": "2026-10-26T17:17:58.645396436Z",
"provider": "osv",
"upstream": [
"CVE-2023-44487"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2023-44487"
]
},
"related_cves": [
{
"value": "CVE-2023-44487",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 454510,
"published_at": "2023-10-10T14:15:10.883+00:00"
}