CVE-2017-11189

Name: CVE-2017-11189
Creator: NVD / NIST
Published: 2017-07-12T16:29:00.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.31%

Last modified Jun 17, 2026

CVE-2017-11189 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. unrarlib.c in unrar-free 0.0.1 might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash), which could be relevant if unrarlib is used as library code for a long-running application. NOTE: one of the several test cases in the references may be the same as what was separately reported as CVE-2017-14121.. EPSS estimates a 1.31% chance of exploitation in the next 30 days.

Description

unrarlib.c in unrar-free 0.0.1 might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash), which could be relevant if unrarlib is used as library code for a long-running application. NOTE: one of the several test cases in the references may be the same as what was separately reported as CVE-2017-14121.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

1.31%

67.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Rarzilla	Unrar-Free	0.0.1

References

https://github.com/0x09AL/my-exploits/tree/master/pocs/unrar-free/dosExploit, Third Party Advisory
https://github.com/0x09AL/my-exploits/tree/master/pocs/unrar-free/dosExploit, Third Party Advisory

Timeline

Published: Jul 12, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-11189?

How severe is CVE-2017-11189?

CVE-2017-11189 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11189?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-11189?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST