CVE-2022-40009
CVSS v3
9.8
CRITICAL
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
SWFTools commit 772e55a was discovered to contain a heap-use-after-free via the function grow_unicode at /lib/ttf.c.
Technical details
- Published
- 2022-09-20
Frequently asked questions
What is CVE-2022-40009?
SWFTools commit 772e55a was discovered to contain a heap-use-after-free via the function grow_unicode at /lib/ttf.c.
Is CVE-2022-40009 actively exploited?
Active exploitation of CVE-2022-40009 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-2022-40009?
CVE-2022-40009 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-40009 affecting your environment?
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