VDB
ALPINE-CVE-2021-41524
ALPINE-CVE-2021-41524
PUBLISHED
CVSS 7.5 HIGH
While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.
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:v3.11 | apache2 | 2.4.23-r5, 2.4.48-r0, 2.4.20-r0 |
| Alpine:v3.21 | apache2 | 2.2.22-r1, 2.4.10-r0, 2.4.12-r0 |
| Alpine:v3.18 | apache2 | 2.4.23-r6, 2.4.23-r5, 2.4.23-r4 |
| Alpine:v3.12 | apache2 | 2.4.41-r0, 2.4.43-r0, 2.4.46-r0 |
| Alpine:v3.20 | apache2 | 2.4.48-r0, 2.4.46-r3, 2.4.46-r2 |
| Alpine:v3.15 | apache2 | 2.4.46-r2, 0, 2.4.9-r1 |
| Alpine:v3.13 | apache2 | 2.4.12-r2, 2.4.12-r1, 2.4.12-r0 |
| Alpine:v3.16 | apache2 | 2.4.18-r0, 2.4.17-r7, 2.4.17-r6 |
| Alpine:v3.19 | apache2 | 0, 2.4.17-r6, 2.4.17-r3 |
| Alpine:v3.24 | apache2 | 0 |
| Alpine:v3.23 | apache2 | 2.4.6-r1, 2.4.12-r1, 0 |
| Alpine:v3.14 | apache2 | 2.2.22-r1, 2.2.16-r1, 0 |
| Alpine:v3.22 | apache2 | 2.4.12-r4, 2.2.21-r3, 2.4.33-r0 |
| Alpine:v3.17 | apache2 | 2.4.3-r2, 2.4.3-r0, 2.4.29-r0 |
Timeline
- Oct 5, 2021 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 15, 2026 CVE Updated