CVE-2016-9424

Name: CVE-2016-9424
Creator: NVD / NIST
Published: 2016-12-12T02:59:12.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.18%

Last modified Jun 17, 2026

CVE-2016-9424 is a vulnerability of currently unknown severity. An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m doesn't properly validate the value of tag attribute, which allows remote attackers to cause a denial of service (heap buffer overflow crash) and possibly execute arbitrary code via a crafted HTML page.. EPSS estimates a 3.18% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m doesn't properly validate the value of tag attribute, which allows remote attackers to cause a denial of service (heap buffer overflow crash) and possibly execute arbitrary code via a crafted HTML page.

Metrics

EPSS Probability

3.18%

86.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Tats	W3m	<= 0.5.3-30

References

http://www.openwall.com/lists/oss-security/2016/11/18/3Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94407
https://github.com/tats/w3m/blob/master/ChangeLogIssue Tracking, Patch
https://github.com/tats/w3m/issues/12Issue Tracking, Patch
https://security.gentoo.org/glsa/201701-08
http://www.openwall.com/lists/oss-security/2016/11/18/3Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94407
https://github.com/tats/w3m/blob/master/ChangeLogIssue Tracking, Patch
https://github.com/tats/w3m/issues/12Issue Tracking, Patch
https://security.gentoo.org/glsa/201701-08

Timeline

Published: Dec 12, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9424?

How severe is CVE-2016-9424?

Severity scoring for CVE-2016-9424 is pending analysis. The EPSS model estimates a 3.18% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9424?

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-2016-9424?

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

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Source: NVD / NIST