8.1

CVE-2021-33644

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.

Data is provided by the National Vulnerability Database (NVD)
Feep ≫ Libtar Version < 1.2.21
Openatom ≫ Openeuler Version20.03 Updatesp1 SwEditionlts
Openatom ≫ Openeuler Version20.03 Updatesp3 SwEditionlts
Openatom ≫ Openeuler Version22.03 SwEditionlts
Fedoraproject ≫ Fedora Version35
Fedoraproject ≫ Fedora Version36
Fedoraproject ≫ Fedora Version37
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.19% 0.409
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.