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CVE-2021-42384

Low priority

Some fixes available 5 of 7

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the handle_special function

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Fixed Fixed Fixed Ignored
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CVE-2021-42383

Low priority
Not affected

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the evaluate function

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Not affected Not affected Not affected Not affected
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CVE-2021-42382

Low priority

Some fixes available 5 of 7

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvar_s function

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Fixed Fixed Fixed Ignored
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CVE-2021-42381

Low priority

Some fixes available 5 of 7

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the hash_init function

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Fixed Fixed Fixed Ignored
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CVE-2021-42380

Low priority

Some fixes available 5 of 7

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the clrvar function

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Fixed Fixed Fixed Ignored
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CVE-2021-42379

Low priority

Some fixes available 5 of 7

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the next_input_file function

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Fixed Fixed Fixed Ignored
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CVE-2021-42378

Low priority

Some fixes available 5 of 7

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the getvar_i function

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Fixed Fixed Fixed Ignored
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CVE-2021-42377

Low priority
Not affected

An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote...

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Not affected Not affected Not affected Not affected
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CVE-2021-42376

Negligible priority
Not affected

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...

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Not affected Not affected Not affected Not affected
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CVE-2021-42375

Negligible priority
Not affected

An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell mistaking specific characters for reserved characters. This may be used...

1 affected package

busybox

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
busybox Not affected Not affected Not affected Not affected
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