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CVE-2021-42386

high CVSS 7.2 EPSS 2.7%

A use-after-free in awk leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function.

Versions it affects

Software versions checked with the free lookup that CVE-2021-42386 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
High
CVSS base score
7.2 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
2.7% probability of exploitation in the next 30 days, higher than 86% of scored vulnerabilities
Weakness
CWE-416
Published
2021-11-15
NVD CVE.org

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