CVE-2021-20193

Description

A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.

Categories

3.3
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory gentoo.org Vendor Advisory gnu.org
Affected: n/a tar
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1917565 issue tracking third party advisory patch
https://savannah.gnu.org/bugs/?59897 issue tracking patch vendor advisory
https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777 mailing list third party advisory patch
https://security.gentoo.org/glsa/202105-29 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20193?
CVE-2021-20193 has been scored as a low severity vulnerability.
How to fix CVE-2021-20193?
To fix CVE-2021-20193, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20193 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20193 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20193?
CVE-2021-20193 affects n/a tar.
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