What is CVE-2018-20304?

CVE-2018-20304 is a medium-severity vulnerability in Libexcel Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-12-20.

How severe is CVE-2018-20304?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Libexcel Project

CVE-2018-20304

wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long second argument. NOTE: this is not a Microsoft product.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (54.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Libexcel_project Libexcel — versions 0.01
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2018-20304?: CVE-2018-20304 is a medium-severity vulnerability in Libexcel Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-12-20.
How severe is CVE-2018-20304?: Medium severity. CVSS v3 base score is 6.5 out of 10.