CVE-2022-23219
CVSS v3
9.8
CRITICAL
EPSS Score
4.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.
Technical details
- Published
- 2022-01-14
Frequently asked questions
What is CVE-2022-23219?
The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.
Is CVE-2022-23219 actively exploited?
Active exploitation of CVE-2022-23219 has not been confirmed. Its EPSS score was 4.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-23219?
CVE-2022-23219 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-23219 affecting your environment?
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