Vulnerability Report

CVE-2022-4904

Title: C-Ares Project C-Ares Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2022-4904.

CWE Category CWE-1284
Published Date Mar 06, 2023
Modified Date Dec 02, 2025
Exploit Status Not Found
Score 8.6 CVSS v3.1
Exploit Probability (EPSS)
0.16%

Vulnerability Summary

CVE-2022-4904: 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.

Impacted Vendors

D
daniel_stenberg 1
R
redhat 1
C
c-ares_project 1

Reference Links

https://bugzilla.redhat.com/show_bug.cgi?id=2168631 https://github.com/c-ares/c-ares/issues/496 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/33LDNS6RPOPP36Z4MPWXALUQZXJCWJS2/ https://security.gentoo.org/glsa/202401-02 https://bugzilla.redhat.com/show_bug.cgi?id=2168631 https://github.com/c-ares/c-ares/issues/496 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/33LDNS6RPOPP36Z4MPWXALUQZXJCWJS2/ https://security.gentoo.org/glsa/202401-02
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.6
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
8.6
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-4904 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected Stack

No specific products linked.