CVE-2021-26195
CVSS v3
8.8
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.
Technical details
- Published
- 2021-06-10
Frequently asked questions
What is CVE-2021-26195?
An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.
Is CVE-2021-26195 actively exploited?
Active exploitation of CVE-2021-26195 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-26195?
CVE-2021-26195 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-26195 affecting your environment?
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