CVE-2021-46170
CVSS v3
7.5
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in JerryScript commit a6ab5e9. There is an Use-After-Free in lexer_compare_identifier_to_string in js-lexer.c file.
Technical details
- Published
- 2022-01-14
Frequently asked questions
What is CVE-2021-46170?
An issue was discovered in JerryScript commit a6ab5e9. There is an Use-After-Free in lexer_compare_identifier_to_string in js-lexer.c file.
Is CVE-2021-46170 actively exploited?
Active exploitation of CVE-2021-46170 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-2021-46170?
CVE-2021-46170 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-46170 affecting your environment?
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