CVE-2016-9423: n/a vulnerability

CVE-2016-9423: An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31.

An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Heap-based buffer overflow in w3m allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTML page.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 02:50 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-9423 is a memory corruption flaw in the Tatsuya Kinoshita w3m fork before 0.5.3-31. A malicious HTML page could crash w3m and may allow arbitrary code execution. Exposure is most relevant where w3m processes untrusted web or email content. Likely exposure is limited to systems with the affected w3m fork installed, especially automation, terminals, email workflows, or scripts that open untrusted HTML through w3m. Treat as a focused remediation item, not a broad enterprise emergency. Patch or remove affected w3m installations, prioritizing systems that handle external HTML or run w3m in automated workflows. Mitigation focus: Upgrade affected w3m packages to 0.5.3-31 or later where available.; Apply distribution vendor updates, including Gentoo guidance where applicable.; Avoid opening untrusted HTML with w3m until patched..

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.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 12, 2016, 02:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

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
GLSA-201701-08CVE reference · vendor-advisory, x_refsource_GENTOO
https://github.com/tats/w3m/issues/9CVE reference · x_refsource_CONFIRM
https://github.com/tats/w3m/blob/master/ChangeLogCVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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