CVE-2016-9428

Name: CVE-2016-9428
Creator: NVD / NIST
Published: 2016-12-12T02:59:17.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.37%

Last modified Jun 17, 2026

CVE-2016-9428 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Heap-based buffer overflow in the addMultirowsForm function in w3m allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTML page.. EPSS estimates a 3.37% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Heap-based buffer overflow in the addMultirowsForm function in w3m allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTML page.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

3.37%

87.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

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/26Issue 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/26Issue 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-2016-9428?

How severe is CVE-2016-9428?

CVE-2016-9428 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.37% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9428?

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-2016-9428?

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

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Source: NVD / NIST