vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-4904

HIGH
8.6
CVSS Score
Published: March 6, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:22 AM UTC
5 products affected across 4 vendorsFedoraEnterprise LinuxSoftware Collections

Using c-ares by N/A?

Get instant alerts when new vulnerabilities affect c-ares - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.6
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

C Ares· C Ares Project
95%
v < 1.19.0
Affected range stops below 1.19.0, so it looks safe — our inference, not a vendor statement
Fedora· Fedora Projectrpm
95%
36
Enterprise Linux· Red Hatrpm
95%
8.09.0
Software Collections· Red Hatrpm
95%
All versions
Ares C Ares· C Ares
60%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Issue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2168631
ExploitIssue Tracking
Source: [email protected]
https://github.com/c-ares/c-ares/issues/496
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/33LDNS6RPOPP36Z4MPWXALUQZXJCWJS2/
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202401-02

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20CWE-1284

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card