All vulnerabilities

Servers and applications

CVE-2020-14354

A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.

Severity
Low 3.3
Published
13 May 2021
Last changed
17 Jun 2026
Added to UpHeron
22 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
c-aresServers and applications · cpe:a:c-ares:c-ares
  • Version 1.16.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-14354
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-14354