CVE-2016-9631

Publication date 11 December 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
w3m	17.04 zesty	Not affected
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 0.5.3-26ubuntu0.1
	14.04 LTS trusty	Fixed 0.5.3-15ubuntu0.1
	12.04 LTS precise	Fixed 0.5.3-5ubuntu1.2

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
w3m	Upstream: ecfdcbe

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3214-1
w3m vulnerabilities
2 March 2017