CVE-2021-33641

Public on 2023-01-20
Modified on 2024-02-09
Description
When processing files, malloc stores the data of the current line. When processing comments, malloc incorrectly accesses the released memory (use after free).
Severity
Important severity
Important
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
HAQM Linux 1 byacc Not Affected
HAQM Linux 2 - Core byacc Not Affected
HAQM Linux 2023 byacc 2023-06-05 ALAS2023-2023-204 Fixed

CVSS Scores

Score Type Score Vector
HAQM Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H