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prionPRIOn knowledge basePRION:CVE-2021-33640
HistoryDec 19, 2022 - 4:15 p.m.

Memory corruption

2022-12-1916:15:00
PRIOn knowledge base
www.prio-n.com
7
libtar.c
use-after-free
memory corruption
list() function

9.1 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

56.6%

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).

9.1 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

56.6%