VDB
DEBIAN-CVE-2021-23017
DEBIAN-CVE-2021-23017
PUBLISHED
CVSS 7.699999809265137 HIGH
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
Risk Scores
CVSS 3.1
7.699999809265137
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | nginx | 0, 0, 0 |
| Debian:13 | nginx | 0, 0, 0 |
| Debian:12 | nginx | 0, 0, 0 |
| Debian:14 | nginx | 0, 0, 0 |
Timeline
- Jun 1, 2021 CVE Published
- Apr 28, 2026 CVE Updated