ALPINE-CVE-2023-44487

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2023-44487
Published: 10 Oct 2023, 14:15
Last modified:14 Jul 2026, 05:30

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Oct 2023, 14:15
Published
Vulnerability first disclosed
14 Jul 2026, 05:30
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • alpine•lighttpd

    < 1.4.73-r0 | < 1.4.73-r0 | < 1.4.73-r0

  • alpine•nghttp2

    < 1.46.0-r2 | < 1.47.0-r2 | < 1.51.0-r2 | < 1.57.0-r0 | < 1.57.0-r0 | < 1.57.0-r0 | < 1.57.0-r0 | < 1.57.0-r0 | < 1.57.0-r0 | < 1.57.0-r0

  • alpine•nginx

    < 1.20.2-r2 | < 1.22.1-r1 | < 1.22.1-r1 | < 1.24.0-r7 | < 1.24.0-r12 | < 1.24.0-r12 | < 1.24.0-r12 | < 1.24.0-r12 | < 1.24.0-r12 | < 1.24.0-r12 | ≥ 1.9.5, < 1.20.2-r2 | ≥ 1.9.5, < 1.22.1-r1 | ≥ 1.9.5, < 1.22.1-r1 | ≥ 1.9.5, < 1.24.0-r7 | ≥ 1.9.5, < 1.24.0-r12 | ≥ 1.9.5, < 1.24.0-r12 | ≥ 1.9.5, < 1.24.0-r12 | ≥ 1.9.5, < 1.24.0-r12 | ≥ 1.9.5, < 1.24.0-r12 | ≥ 1.9.5, < 1.24.0-r12

  • alpine•nodejs

    < 0 | < 0 | < 0 | < 0 | < 0 | < 0 | < 0 | < 0

  • alpine•varnish

    < 7.3.2-r0 | < 7.3.1-r0 | < 7.4.2-r0 | < 7.4.2-r0 | < 7.4.2-r0 | < 7.4.2-r0 | < 7.4.2-r0 | < 7.4.2-r0

References (1)