CVE-2022-27447
CVSS v3
7.5
HIGH
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
MariaDB Server v10.9 and below was discovered to contain a use-after-free via the component Binary_string::free_buffer() at /sql/sql_string.h.
Technical details
- Published
- 2022-04-14
Frequently asked questions
What is CVE-2022-27447?
MariaDB Server v10.9 and below was discovered to contain a use-after-free via the component Binary_string::free_buffer() at /sql/sql_string.h.
Is CVE-2022-27447 actively exploited?
Active exploitation of CVE-2022-27447 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-27447?
CVE-2022-27447 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-27447 affecting your environment?
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