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CVE-2022-4904

Published: Mar 6, 2023Updated: Dec 2, 2025 Sources: CVE List NVD BDU csafCWE-20
NVD MITRE
8.6CVSSHIGH
EPSS Score
1.2%
Top 34.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20CWE-1284

Affected Products

c-aresc-ares project
Library
OSS Libraries / generic-library
software collectionsredhat
On-prem
DevTools & CI / build-test-tools
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
c-ares projectoss-projectUSOSS Librariesaka c-ares
redhatcommercialUSOperating Systemsaka red hat
fedoraprojectoss-projectUSOperating Systemsaka fedora project
red hat inc.commercialUSOperating Systemsaka red hat
and 13 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://bugzilla.redhat.com/show_bug.cgi?id=2168631
bugzilla.redhat.com
https://github.com/c-ares/c-ares/issues/496
github.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/33LDNS6RPOPP36Z4MPWXALUQZXJCWJS2/
lists.fedoraproject.org
and 25 more references View all →

Timeline

Published
Mar 6, 2023
Last Updated
Dec 2, 2025

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