Patch Forecast
Yellow warning
Plan into this sprint.

CVE-2020-22217

C-ares: out-of-bounds read

Risk score
58/100
CVSS
5.9 v3.1
Exploit chance (30 days)
1.0%
Published
22 Aug 2023

Open in the live forecast Today's forecast

What to know

What it is
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.
Affected
C-ares
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
Public proof of concept

Why it is Yellow

  • CVSS 5.9 medium
  • Public exploit or proof of concept referenced
  • Named in a government or vendor bulletin

Government and vendor bulletins

References

Original 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.

Last activity 21 Oct 2026. Patch Forecast updates every hour.