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CVE-2021-42376

medium CVSS 5.5 EPSS 0.4%

A NULL pointer dereference in Busybox's hush applet leads to denial of service when processing a crafted shell command, due to missing validation after a \x03 delimiter character. This may be used for DoS under very rare conditions of filtered command input.

Versions it affects

Software versions checked with the free lookup that CVE-2021-42376 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
5.5 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
0.4% probability of exploitation in the next 30 days, higher than 36% of scored vulnerabilities
Weakness
CWE-476
Published
2021-11-15
NVD CVE.org

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