CVE-2021-42374
5.3
MEDIUM
CVSS 3.1
EPSS 0.58%
Description
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
How to fix CVE-2021-42374
To remediate CVE-2021-42374, upgrade the affected package to a fixed version below.
- Alpine/busybox—upgrade to 1.31.1-r11 or later
Is CVE-2021-42374 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.27.0, < 1.31.1-r11
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H |