CVEvulnerability
CVE-2020-14354
3.3 LOW
Official page ↗
- Status
- Modified
- Published
- 2021-05-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-120, CWE-415, CWE-416
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.
Affected configurations
• c-ares c-ares 1.16.0
• fedoraproject fedora 33
Related
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1866838 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://c-ares.haxx.se/changelog.html Release Notes, Vendor Advisory
- https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/ lists.fedoraproject.org
- https://packetstormsecurity.com/files/158755/GS20200804145053.txt Exploit, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1866838 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://c-ares.haxx.se/changelog.html Release Notes, Vendor Advisory
- https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/ lists.fedoraproject.org
- https://packetstormsecurity.com/files/158755/GS20200804145053.txt Exploit, Third Party Advisory, VDB Entry