VDB
ALPINE-CVE-2021-3502
ALPINE-CVE-2021-3502
PUBLISHED
CVSS 5.5 MEDIUM
A flaw was found in avahi 0.8-5. A reachable assertion is present in avahi_s_host_name_resolver_start function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames. The highest threat from this vulnerability is to the service availability.
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.22 | avahi | 0.6.28-r0, 0.6.28-r1, 0.6.29-r0 |
| Alpine:v3.19 | avahi | 0.8-r1, 0, 0.8-r4 |
| Alpine:v3.20 | avahi | 0, 0.6.28-r0, 0 |
| Alpine:v3.24 | avahi | 0 |
| Alpine:v3.18 | avahi | 0, 0, 0.6.28-r2 |
| Alpine:v3.23 | avahi | 0.6.31-r8, 0, 0.8-r4 |
| Alpine:v3.21 | avahi | 0.6.28-r1, 0.6.28-r2, 0.6.29-r0 |
Timeline
- May 7, 2021 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 15, 2026 CVE Updated