CVE-2024-10461: Mozilla Firefox

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

In multipart/x-mixed-replace responses, `Content-Disposition: attachment` in the response header was not respected and did not force a download, which could allow XSS attacks. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.

Affected products

• Mozilla Firefox: before 128.4.0 (fixed in 128.4.0); before 132.0 (fixed in 132.0)
• Mozilla Thunderbird: before 128.4.0 (fixed in 128.4.0); from 129.0, before 132.0 (fixed in 132.0)

Published 2024-10-29. Last modified 2026-06-17.