Vulnerabilities > CVE-2021-33641 - Use After Free vulnerability in Openeuler Byacc

047910
CVSS 7.8 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
local
low complexity
openeuler
CWE-416

Summary

When processing files, malloc stores the data of the current line. When processing comments, malloc incorrectly accesses the released memory (use after free).

Vulnerable Configurations

Part Description Count
Application
Openeuler
1

Common Weakness Enumeration (CWE)