VDB
ALPINE-CVE-2020-35452
ALPINE-CVE-2020-35452
PUBLISHED
CVSS 7.300000190734863 HIGH
Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP Server team could create one, though some particular compiler and/or compilation option might make it possible, with limited consequences anyway due to the size (a single byte) and the value (zero byte) of the overflow
Risk Scores
CVSS v3.1
7.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.14 | apache2 | 2.4.9-r1, 0, 2.2.16-r0 |
| Alpine:v3.11 | apache2 | 2.4.10-r0, 2.4.9-r1, 2.4.9-r0 |
| Alpine:v3.19 | apache2 | 2.2.17-r5, 2.2.16-r2, 2.4.20-r0 |
| Alpine:v3.15 | apache2 | 2.2.17-r3, 2.4.9-r1, 2.4.9-r0 |
| Alpine:v3.18 | apache2 | 2.4.23-r6, 2.4.23-r7, 2.4.23-r8 |
| Alpine:v3.20 | apache2 | 0, 2.2.16-r0, 2.2.16-r2 |
| Alpine:v3.22 | apache2 | 0, 2.4.9-r1, 2.4.9-r0 |
| Alpine:v3.12 | apache2 | 2.4.23-r4, 2.4.9-r1, 2.4.9-r0 |
| Alpine:v3.21 | apache2 | 2.4.3-r1, 2.4.3-r2, 2.4.33-r0 |
| Alpine:v3.10 | apache2 | 2.4.18-r0, 2.4.18-r1, 2.4.17-r5 |
| Alpine:v3.17 | apache2 | 2.4.3-r0, 2.4.3-r1, 2.4.3-r2 |
| Alpine:v3.23 | apache2 | 0, 2.4.9-r1, 2.4.9-r0 |
| Alpine:v3.13 | apache2 | 0, 2.4.9-r1, 2.4.9-r0 |
| Alpine:v3.16 | apache2 | 0, 2.4.9-r1, 2.4.9-r0 |
Timeline
- Jun 10, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch