CVE-2021-28831 HIGH

CVE-2021-28831

Vendor N/A
Product n/a
Published March 19, 2021
Last update December 17, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N

What the vulnerability does

01Description

decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.

Key dates

02Disclosure timeline

March 19, 2021 CVE published
December 17, 2025 Record updated