VDB
ALPINE-CVE-2021-20213
ALPINE-CVE-2021-20213
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.
Risk Scores
CVSS v3.1
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:v3.17 | privoxy | 3.0.16-r1, 3.0.17-r0, 3.0.17-r1 |
| Alpine:v3.19 | privoxy | 3.0.26-r0, 3.0.28-r0, 3.0.16-r0 |
| Alpine:v3.20 | privoxy | 3.0.16-r0, 3.0.26-r0, 3.0.24-r2 |
| Alpine:v3.14 | privoxy | 3.0.16-r0, 0, 3.0.28-r0 |
| Alpine:v3.15 | privoxy | 0, 3.0.16-r0, 3.0.28-r0 |
| Alpine:v3.23 | privoxy | 3.0.19-r0, 0, 3.0.16-r0 |
| Alpine:v3.13 | privoxy | 3.0.28-r0, 3.0.28-r0, 3.0.26-r0 |
| Alpine:v3.18 | privoxy | 3.0.16-r0, 3.0.28-r0, 3.0.26-r0 |
| Alpine:v3.12 | privoxy | 3.0.16-r0, 0, 3.0.28-r0 |
| Alpine:v3.22 | privoxy | 0, 3.0.28-r0, 3.0.26-r0 |
| Alpine:v3.21 | privoxy | 0, 3.0.16-r1, 3.0.17-r1 |
| Alpine:v3.16 | privoxy | 0, 3.0.28-r0, 3.0.26-r0 |
Timeline
- Mar 25, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch