Description
A flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity.
References (4)
Scores
CVSS v3
8.6
EPSS
0.0016
EPSS Percentile
36.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1284
CWE-20
Status
published
Products (5)
c-ares_project/c-ares
< 1.19.0
fedoraproject/fedora
36
redhat/enterprise_linux
8.0
redhat/enterprise_linux
9.0
redhat/software_collections
Published
Mar 06, 2023
Tracked Since
Feb 18, 2026