CVE-2021-32012
Published:July 19, 2021
Updated:June 27, 2026
SheetJS and SheetJS Pro through 0.16.9 allows attackers to cause a denial of service (memory consumption) via a crafted .xlsx document that is mishandled when read by xlsx.js (issue 1 of 2).
Affected Packages
xlsx (CDN_JS):
Affected version(s) >=0.4.3 <0.17.0Fix Suggestion:
Update to version 0.17.0org.webjars.npm:xlsx (JAVA):
Affected version(s) >=0.8.0 <0.17.0Fix Suggestion:
Update to version 0.17.0xlsx (NPM):
Affected version(s) >=0.3.3 <0.17.0Fix Suggestion:
Update to version 0.17.0Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
EPSS
Base Score:
0.88