CVE-2022-4904
CVSS v3
8.6
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2023-03-06
Frequently asked questions
What is 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.
Is CVE-2022-4904 actively exploited?
Active exploitation of CVE-2022-4904 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-4904?
CVE-2022-4904 has a CVSS v3 base score of 8.6 (HIGH severity).
Is CVE-2022-4904 affecting your environment?
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