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CVE-1999-0809: Netscape Communicator 4.x with Javascript enabled does not warn a user of cookie settings, even if they have selected th

UNKNOWN

Published n/a Updated 2026-08-21T04:30:47.854Z

Summary

Netscape Communicator 4.x with Javascript enabled does not warn a user of cookie settings, even if they have selected the option to "Only accept cookies originating from the same server as the page being viewed".

Why It Matters

UNKNOWN severity with CVSS n/a.

Risks left unpatched can lead to remote code execution, data exposure or lateral movement — verify exposure against the affected software below.

Current Status

  • Vulnerability status: Not listed in CISA KEV
  • Last intelligence update: 2026-08-21 · source: NVD

Entity Activity Timeline

  1. 2026-08-21 — Intelligence record updated（NVD sync）

No recorded activity beyond NVD publication and sync updates.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:47.854Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

Sources & Evidence

2 reference(s) · attribution: NVD

Related Intelligence

Curated links only — no machine-generated relationships.

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