CVE-2021-33641 - AskarLabs CVE Database

CVE-2021-33641

Vendor N/A

Product byacc

Weakness CWE-416

Published January 20, 2023

Last update April 3, 2025

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

January 20, 2023 CVE published

April 3, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-33641 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/416.html