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CVE-2016-9442

21
FAUCET Score

CVE-2016-9442 describes a memory corruption vulnerability in Tatsuya Kinoshita's w3m fork, specifically versions prior to 0.5.3-31. This flaw allows remote attackers to trigger a denial of service by enticing a user to open a specially crafted HTML page. With a CVSS v3.0 score of 6.5 (Medium), this vulnerability requires user interaction and network access for exploitation, leading to high availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.5.3-30CPE matchmatch criteria
cpe:2.3:a:tats:w3m:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.82%
Probability of exploitation in next 30 days
EPSS Percentile
76.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0182 is in the 88th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: w3m
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: w3m

Vendor Advisories (1)

redhatCVE-2016-9442Low

w3m: Potential heap-buffer corruption due to Strgrow

Aug 31, 2016

References

github.com / tats/w3m/blob/master/ChangeLog
Issue TrackingPatch
github.com / tats/w3m/commit/d43527cfa0dbb3ccefec4a6f7b32c1434739aa29
Issue TrackingPatch
security.gentoo.org / glsa/201701-08
openwall.com / lists/oss-security/2016/11/18/3
Mailing ListThird Party Advisory
securityfocus.com / bid/94407