CVE-2020-22217

MEDIUM

C-ares - Out-of-Bounds Read

Title source: rule
STIX 2.1

Description

Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c.

References (2)

Core 2
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2023/09/msg00014.html
Exploit, Issue Tracking, Patch
https://github.com/c-ares/c-ares/issues/333

Scores

CVSS v3 5.9
EPSS 0.0011
EPSS Percentile 29.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (3)
c-ares/c-ares 1.16.1
c-ares/c-ares 1.17.0
debian/debian_linux 10.0
Published Aug 22, 2023
Tracked Since Feb 18, 2026