Out-of-bounds Read Affecting c-ares package, versions <1.17.1-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.98% (59th percentile)

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  • Snyk IDSNYK-ECHOLATEST-CARES-19643592
  • published8 Sept 2026
  • disclosed22 Aug 2023

Introduced: 22 Aug 2023

CVE-2020-22217  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Echo:latest c-ares to version 1.17.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream c-ares package and not the c-ares package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1