PT-2021-5536

CVE-2021-42374

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Published

2021-11-15

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Updated

2025-11-03

Description by

CVSS 2.0
6.1
Medium
MetricsAV:N/AC:H/Au:N/C:P/I:N/A:C
Name of the Vulnerable Software and Affected Versions BusyBox (affected versions not specified)
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 uses the vulnerable applet. The issue allows a remote attacker to cause an out-of-bounds read error and read the contents of the system memory or perform a denial-of-service attack.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
Weakness enumeration
Related identifiers
AZL-41054
AZL-6343
DLA-4019-1
OESA-2021-1441
OPENSUSE-SU-2022:0135-1
OPENSUSE-SU-2022_0135-1
OPENSUSE-SU-2022_3959-1
SUSE-SU-2022:0135-1
SUSE-SU-2022:0135-2
SUSE-SU-2022:3959-1
SUSE-SU-2022:4253-1
USN-5179-1
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