VDB
ALPINE-CVE-2025-49630
ALPINE-CVE-2025-49630
PUBLISHED
CVSS 7.5 HIGH
In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to "on".
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:v3.24 | apache2 | 0, 0 |
| Alpine:v3.23 | apache2 | 2.4.63-r0, 2.4.63-r1, 2.4.63-r2 |
| Alpine:v3.19 | apache2 | 2.2.16-r2, 2.2.17-r0, 2.2.17-r1 |
| Alpine:v3.20 | apache2 | 2.4.43-r0, 2.2.16-r0, 2.2.16-r1 |
| Alpine:v3.22 | apache2 | 2.2.16-r3, 2.2.17-r0, 2.2.17-r1 |
| Alpine:v3.21 | apache2 | 2.2.22-r0, 2.2.16-r2, 2.2.17-r1 |
Timeline
- Jul 10, 2025 CVE Published
- Jun 15, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch