CVE-1999-1549

High CVSS 7.8

Published 1999-11-16 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1549, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Lynx 2.x does not properly distinguish between internal and external HTML, which may allow a local attacker to read a "secure" hidden form value from a temporary file and craft a LYNXOPTIONS: URL that causes Lynx to modify the user's configuration file and execute commands.

Sources

NVD record for CVE-1999-1549

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H