CVSS v3
7.5
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long name. NOTE: this is not a Microsoft product.
Technical details
- Published
- 2018-12-18
Frequently asked questions
What is CVE-2018-20213?
wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long name. NOTE: this is not a Microsoft product.
Is CVE-2018-20213 actively exploited?
Active exploitation of CVE-2018-20213 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-2018-20213?
CVE-2018-20213 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-20213 affecting your environment?
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