VDB
ALPINE-CVE-2020-11080
ALPINE-CVE-2020-11080
PUBLISHED
CVSS 7.5 HIGH
In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service. The proof of concept attack involves a malicious client constructing a SETTINGS frame with a length of 14,400 bytes (2400 individual settings entries) over and over again. The attack causes the CPU to spike at 100%. nghttp2 v1.41.0 fixes this vulnerability. There is a workaround to this vulnerability. Implement nghttp2_on_frame_recv_callback callback, and if received frame is SETTINGS frame and the number of settings entries are large (e.g., > 32), then drop the connection.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.23 | nghttp2 | 1.3.4-r0, 1.3.2-r0, 1.3.0-r0 |
| Alpine:v3.20 | nghttp2 | 1.32.0-r0, 1.11.1-r0, 1.12.0-r0 |
| Alpine:v3.19 | nghttp2 | 1.18.1-r0, 1.20.0-r0, 1.21.1-r0 |
| Alpine:v3.13 | nodejs | 6.11.5-r0, 0, 8.9.4-r0 |
| Alpine:v3.22 | nodejs | 0, 0, 0 |
| Alpine:v3.18 | nodejs | 6.10.3-r0, 12.14.0-r0, 6.9.5-r0 |
| Alpine:v3.14 | nghttp2 | 1.35.1-r0, 1.34.0-r0, 1.33.0-r1 |
| Alpine:v3.15 | nodejs | 6.9.4-r0, 6.9.2-r0, 6.11.2-r0 |
| Alpine:v3.21 | nodejs | 0, 0, 0 |
| Alpine:v3.19 | nodejs | 6.9.5-r1, 0, 8.9.4-r0 |
| Alpine:v3.17 | nodejs | 10.16.0-r0, 8.11.2-r0, 8.11.3-r0 |
| Alpine:v3.10 | nghttp2 | 1.9.1-r0, 1.26.0-r0, 1.25.0-r0 |
| Alpine:v3.24 | nodejs | 0 |
| Alpine:v3.11 | nodejs | 12.13.1-r0, 0, 10.13.0-r0 |
| Alpine:v3.20 | nodejs | 10.15.3-r0, 0, 10.14.0-r0 |
| Alpine:v3.12 | nodejs | 6.10.1-r0, 4.5.0-r0, 4.4.7-r0 |
| Alpine:v3.17 | nghttp2 | 1.40.0-r0, 0, 1.9.2-r0 |
| Alpine:v3.12 | nghttp2 | 0, 1.9.2-r0, 1.9.1-r0 |
| Alpine:v3.14 | nodejs | 0, 8.12.0-r0, 8.9.3-r1 |
| Alpine:v3.21 | nghttp2 | 1.3.2-r0, 1.30.0-r0, 1.31.0-r0 |
…and 10 more
Timeline
- Jun 3, 2020 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 15, 2026 CVE Updated