CVE-2021-42374 — Out-of-bounds Read in Busybox
Severity
5.3MEDIUMNVD
OSV7.5
EPSS
0.1%
top 80.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 15
Latest updateJun 15
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
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:HExploitability: 1.0 | Impact: 4.2
Affected Packages9 packages
Also affects: Fedora 33, 34
🔴Vulnerability Details
3GHSA▶
GHSA-6f92-r9cq-v6cq: 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 decompress↗2022-05-24
OSV▶
CVE-2021-42374: 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 decompress↗2021-11-15