Your submission was sent successfully! Close

CVE-2021-42374

Published: 15 November 2021

An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that

Notes

AuthorNote
mdeslaur
introduced in 1.27.0
Priority

Low

CVSS 3 base score: 5.3

Status

Package Release Status
busybox
Launchpad, Ubuntu, Debian
bionic
Released (1:1.27.2-2ubuntu3.4)
focal
Released (1:1.30.1-4ubuntu6.4)
hirsute
Released (1:1.30.1-6ubuntu2.1)
impish
Released (1:1.30.1-6ubuntu3.1)
jammy
Released (1:1.30.1-7ubuntu2)
trusty Not vulnerable

upstream
Released (1.34.0)
xenial Not vulnerable

Patches:
upstream: https://git.busybox.net/busybox/commit/?id=04f052c56ded5ab6a904e3a264a73dc0412b2e78