CVE-2020-27819

MEDIUM

libxls <= 1.6.1 - Denial of Service via XLS Cell Parsing

Title source: llm
STIX 2.1

Description

An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file.

References (1)

Core 1
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1903296

Scores

CVSS v3 5.5
EPSS 0.0083
EPSS Percentile 52.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
libxls_project/libxls < 1.6.2
Published Feb 23, 2021
Tracked Since Feb 18, 2026