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cvelistMitreCVELIST:CVE-2018-20482
HistoryDec 26, 2018 - 6:00 p.m.

CVE-2018-20482

2018-12-2618:00:00
mitre
www.cve.org
1

4.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

GNU Tar through 1.30, when --sparse is used, mishandles file shrinkage during read access, which allows local users to cause a denial of service (infinite read loop in sparse_dump_region in sparse.c) by modifying a file that is supposed to be archived by a different user’s process (e.g., a system backup running as root).