THREATPORT/VULNERABILITY/CVE-2016-9425
HIGH SEVERITY

CVE-2016-9425

W3m vulnerability

CVSS
8.8
EPSS
3.3%
EPSS pct
87th
Exploited
No known
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.
Affected vendor
Tats
Affected product
W3m
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2016-12-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2016-9425

  • Confirm whether Tats W3m is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-9425.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-9425

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-9425 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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