CVE-2021-28831
- State
- Published
- Severity
- 7.5 High
- Published
- Mar 19, 2021
- Updated
- Dec 17, 2025
- Reserved
- Mar 19, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N | mitre |
Weaknesses
- CWE-755 Improper Handling of Exceptional Conditions
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd
- FEDORA-2021-e82915eee1vendor-advisory
- FEDORA-2021-d20c8a4730vendor-advisory
- FEDORA-2021-2024803354vendor-advisory
- [debian-lts-announce] 20210401 [SECURITY] [DLA 2614-1] busybox security updatemailing-list
- GLSA-202105-09vendor-advisory
- https://security.netapp.com/advisory/ntap-20250509-0005/
- https://lists.debian.org/debian-lts-announce/2025/01/msg00012.html
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