CVE-2021-33640

CRITICAL Year: 2021
CVSS v3 Score
9.8
Critical
Weakness Type
CWE-416
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Vulnerability Description

After tar_close(), libtar.c releases the memory pointed to by pointer t. After tar_close() is called in the list() function, it continues to use pointer t: free_longlink_longname(t->th_buf) . As a result, the released memory is used (use-after-free).

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