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CVE-2021-28831

Published: 19 March 2021

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.

Priority

Low

CVSS 3 base score: 7.5

Status

Package Release Status
busybox
Launchpad, Ubuntu, Debian
Upstream Pending

Ubuntu 21.10 (Impish Indri)
Released (1:1.30.1-6ubuntu3.1)
Ubuntu 21.04 (Hirsute Hippo)
Released (1:1.30.1-6ubuntu2.1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1:1.30.1-4ubuntu6.4)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1:1.27.2-2ubuntu3.4)
Ubuntu 16.04 ESM (Xenial Xerus) Needed

Ubuntu 14.04 ESM (Trusty Tahr) Needs triage

Patches:
Upstream: https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd