CVE-2020-14354

Low

Description

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.

SeverityLow

CVSS3.3

Exploit probability—

Product

C-ares

PublishedMay 13, 2021

First seenMay 13, 2021

Weakness typeCWE-120CWE-120

How to fix

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/

Affected products

Product	Affected versions	Fixed in
c-ares c-ares	1.16.0	—
fedoraproject fedora	33	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.