CVE-2022-4904
Published: March 6, 2023Last modified: July 22, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.6 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | LOW |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | c-ares | Not affected (1.19.1-r0) |
| Stream | c-ares | Not affected (1.19.1-r1) | |
| Hardened Containers | Stream | c-ares | Not affected (1.19.1-r1) |