CVE-2021-33641

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

Score

CVSS 3.1 7.8 High

Status

Modified - securities@openeuler.org

Published

2023-01-20

Last modified

2025-04-03

Weaknesses

CWE-416

Affected products

• Byacc (Openeuler)

References

• https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d