CVE-2017-14121

Description

The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive. NOTE: this may be the same as one of the several test cases in the CVE-2017-11189 references.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Third-Party Advisory openwall.com Third-Party Advisory debian.org Third-Party Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.debian.org/874061 issue tracking third party advisory
http://www.openwall.com/lists/oss-security/2017/08/20/1 third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-14121?
CVE-2017-14121 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14121?
To fix CVE-2017-14121, 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-2017-14121 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-14121 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.
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