CVE-2016-9633: An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33.

Security readout for executives and security teams

CVE-2016-9633 is a denial-of-service issue in the Tatsuya Kinoshita w3m fork before 0.5.3-33. A crafted HTML page can make w3m enter an infinite loop and consume resources, potentially disrupting a user session or automated HTML-processing workflow. Exposure is most likely where the affected w3m fork renders untrusted HTML, including terminal browsing, scripted content conversion, mail viewing, or automation that processes external pages. Evidence is incomplete for distribution-specific package names and backports. Handle as a maintenance-priority availability risk. It is not supported as actively exploited in the provided sources, but it matters where w3m processes untrusted content in business workflows or production automation. Mitigation focus: Upgrade the Tatsuya Kinoshita w3m fork to 0.5.3-33 or later.; Check distribution vendor advisories for backported fixes.; Avoid rendering untrusted HTML with vulnerable w3m builds..

Prepared

Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.