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CVE-2021-28831
Published: Mar 19, 2021
Modified: Dec 17, 2025
PUBLISHED
CVSS v3.1
7.5
HIGH
Description
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N
Attack Complexity
Low
Attack Vector
Network
Availability
High
Confidentiality
None
Integrity
None
Privileges Required
None
Scope
Unchanged
User Interaction
None
References
FEDORA-2021-e82915eee1
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-d20c8a4730
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-2024803354
vendor-advisory
x_refsource_FEDORA
[debian-lts-announce] 20210401 [SECURITY] [DLA 2614-1] busybox security update
mailing-list
x_refsource_MLIST
GLSA-202105-09
vendor-advisory
x_refsource_GENTOO
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