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CVE-2016-9432

18
FAUCET Score

CVE-2016-9432 describes a memory corruption vulnerability in the Tatsuya Kinoshita w3m fork (before version 0.5.3-31). A remote attacker can trigger a denial of service (segmentation fault and crash) by enticing a user to open a specially crafted HTML page. This vulnerability has a CVSS v3.0 score of 6.5 (Medium), indicating a network-based attack with low complexity requiring user interaction, leading to high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding 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
2.48%
Probability of exploitation in next 30 days
EPSS Percentile
82.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0249 is in the 92nd percentile among its peer group of 26,219 CVEs.

Social Chatter

No social media mentions found for this CVE.

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-2016-9432Low

w3m: Segmentation fault due to bcopy with negative size

Aug 16, 2016

References

github.com / tats/w3m/blob/master/ChangeLog
Issue TrackingPatch
github.com / tats/w3m/issues/13
Issue TrackingPatch
security.gentoo.org / glsa/201701-08
openwall.com / lists/oss-security/2016/11/18/3
Mailing List
securityfocus.com / bid/94407