Security readout for executives and security teams
CVE-2016-9443 is a crash bug in the Tatsuya Kinoshita w3m fork before 0.5.3-31. A maliciously crafted HTML page can make w3m segfault, causing denial of service. The sources do not show code execution, data theft, or active exploitation. Exposure is most likely on Unix-like systems where w3m is installed and used to render untrusted HTML, including terminal browsing, scripts, mail workflows, or automated content processing. Evidence does not identify other products. Treat as a targeted availability risk, not an emergency based on current evidence. Prioritize remediation where w3m handles untrusted web or email content automatically. Standard patch cycles are likely appropriate for incidental desktop use. Mitigation focus: Upgrade w3m to 0.5.3-31 or later where available.; Apply vendor security updates, including distribution advisories such as Gentoo GLSA-201701-08.; Avoid processing untrusted HTML with vulnerable w3m builds..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2016-9443 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/tats/w3m/issues/28CVE reference · x_refsource_CONFIRM
- GLSA-201701-08CVE reference · vendor-advisory, x_refsource_GENTOO
- https://github.com/tats/w3m/blob/master/ChangeLogCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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