VDB
CVE-2021-3502
CVE-2021-3502
PUBLISHED
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.
EPSS 0.03% · 9.7th percentile
Risk Scores
EPSS Score
0.03%
9.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | avahi | 0 |
Timeline
- May 7, 2021 CVE Published
- May 8, 2021 EPSS Score
- Jul 11, 2021 EPSS Score
- Sep 11, 2021 EPSS Score
- Nov 11, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 15, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 16, 2022 EPSS Score
- Jul 18, 2022 EPSS Score
- Sep 18, 2022 EPSS Score
- Nov 18, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-3502 third-party-advisory
- https://github.com/lathiat/avahi/pull/324 third-party-advisory
- https://ubuntu.com/security/notices/USN-5008-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-3502 third-party-advisory