CVE-2017-6519
CRITICAL9.1EPSS 1.3%Published: 5/1/2017Modified: 12/3/2025
Also known as:ALPINE-CVE-2017-6519DEBIAN-CVE-2017-6519
Description
avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic amplification) and may cause information leakage by obtaining potentially sensitive information from the responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809.
Affected packages (2)
- Alpine/avahifrom 0, < 0.7-r2
- Debian/avahifrom 0, < 0.7-5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |