CVE-2008-0592: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 1.8% chance of exploitation in the next 30 days.

Mozilla Firefox before 2.0.0.12 and SeaMonkey before 1.1.8 allows user-assisted remote attackers to cause a denial of service via a plain .txt file with a "Content-Disposition: attachment" and an invalid "Content-Type: plain/text," which prevents Firefox from rendering future plain text files within the browser.

Affected products

• Mozilla Firefox: up to and including 2.0.0.11
• Mozilla Seamonkey: up to and including 1.1.7

Published 2008-02-09. Last modified 2026-06-16.