Use-After-Free Vulnerability in Busybox's Awk Applet

CVE-2021-42382

What is CVE-2021-42382?

A vulnerability exists in the awk applet of Busybox, which involves a use-after-free condition that can result in a denial of service or unintended code execution. This arises when processing crafted awk patterns within the getvar_s function, making it critical for users to assess their exposure and take necessary precautions against potential exploitation.

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