VDB
ALPINE-CVE-2020-9490
ALPINE-CVE-2020-9490
PUBLISHED
CVSS 7.5 HIGH
Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via "H2Push off" will mitigate this vulnerability for unpatched servers.
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:v3.12 | apache2 | 0, 2.4.9-r1, 2.4.9-r0 |
| Alpine:v3.9 | apache2 | 2.4.12-r3, 2.2.16-r0, 2.2.16-r1 |
| Alpine:v3.13 | apache2 | 0, 2.2.16-r0, 2.2.16-r1 |
| Alpine:v3.22 | apache2 | 2.4.6-r4, 2.2.16-r0, 2.2.16-r1 |
| Alpine:v3.10 | apache2 | 0, 2.2.16-r0, 2.2.16-r1 |
| Alpine:v3.20 | apache2 | 2.4.6-r0, 0, 2.4.9-r1 |
| Alpine:v3.14 | apache2 | 0, 0, 2.4.9-r1 |
| Alpine:v3.19 | apache2 | 2.2.17-r1, 2.2.16-r0, 2.2.16-r1 |
| Alpine:v3.24 | apache2 | 0 |
| Alpine:v3.18 | apache2 | 2.2.16-r2, 2.2.16-r3, 2.2.17-r0 |
| Alpine:v3.23 | apache2 | 2.4.28-r0, 2.4.9-r1, 2.4.9-r0 |
| Alpine:v3.15 | apache2 | 2.2.17-r0, 2.2.17-r1, 2.2.17-r3 |
| Alpine:v3.16 | apache2 | 2.4.12-r4, 0, 2.4.9-r1 |
| Alpine:v3.21 | apache2 | 2.2.16-r0, 2.2.16-r1, 2.2.17-r0 |
| Alpine:v3.17 | apache2 | 2.2.21-r2, 2.2.16-r0, 0 |
| Alpine:v3.11 | apache2 | 2.2.16-r1, 0, 2.4.9-r1 |
Timeline
- Aug 7, 2020 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 15, 2026 CVE Updated