Medium severity5.5NVD Advisory· Published Feb 23, 2021· Updated Jun 17, 2026

CVE-2020-27819

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Libxls/Libxls2 versions
cpe:2.3:a:libxls_project:libxls:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libxls_project:libxls:*:*:*:*:*:*:*:*range: <1.6.2
- (no CPE)range: <=1.6.1
libxls/libxlsdescription
osv-coords
pkg:rpm/opensuse/libxls&distro=openSUSE%20Leap%2015.2
Range: < 1.6.2-lp152.2.3.1

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000