CVE-2018-20304

PoC —

CVSS 3.0

6.5 medium

EPSS

<1%p56

Published

Dec 20, 2018 (Dec 20, 2018)

Modified

Jun 17, 2026

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 second argument. NOTE: this is not a Microsoft product.

Vendors: libexcel project
Products: libexcel
Weakness: CWE-119
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.9%)

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