Alpine/busybox: high 7.5
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.
Action: Upgrade busybox to 1.31.1-r20 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.32.0 | - | - |
Fixed versions
| 1.31.1-r20 |
Sources
- osv: ALPINE-CVE-2021-28831#Alpine:v3.12/busybox
- https://security.alpinelinux.org/vuln/CVE-2021-28831
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