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CVE-2021-42374

medium CVSS 5.3 EPSS 0.6%

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 internally supports LZMA compression.

Versions it affects

Software versions checked with the free lookup that CVE-2021-42374 applies to, and the release that fixes it where the sources name one.

busybox 1.32.0 fixed in 1.3.0

At a glance

Severity
Medium
CVSS base score
5.3 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
0.6% probability of exploitation in the next 30 days, higher than 48% of scored vulnerabilities
Weakness
CWE-125
Published
2021-11-15
NVD CVE.org

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