CVE-2021-42374
MEDIUM5.3EPSS 0.06%Published: 11/15/2021Modified: 4/28/2026
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
Affected packages (2)
- Alpine/busyboxfrom 0, < 1.31.1-r11
- Debian/busyboxfrom 0, < 1:1.30.1-6+deb11u1
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 |