CVE-2021-42374CWE-125

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

Medium · published November 15, 2021

CVSS v3.1
5.3
EPSS
1%
Percentile
49.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00623 · 49.2th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2021-11-15T00:00Z
EPSS history
Timeline
  • 15 NOV 00:00Z
    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
    cvelistv5