MEDIUM · 6.5

CVE-2021-27836

An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file.

Vulnerability Description

An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Libxls ProjectLibxls1.6.2
FedoraprojectFedora33

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-27836?

CVE-2021-27836 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file.

How severe is CVE-2021-27836?

CVE-2021-27836 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27836?

Check the references section above for vendor advisories and patch information. Affected products include: Libxls Project Libxls, Fedoraproject Fedora.