Important: firefox security update

Important: firefox security update

Important: firefox security update

ELSA-2025-10181: firefox security update (IMPORTANT)

ELSA-2025-10074: firefox security update (IMPORTANT)

ELSA-2025-10073: firefox security update (IMPORTANT)

ELSA-2025-10072: firefox security update (IMPORTANT)

Security update for MozillaThunderbird

Security update for MozillaFirefox

Security update for MozillaFirefox

Important: thunderbird security update

Important: thunderbird security update

Important: thunderbird security update

Security update for MozillaFirefox, MozillaFirefox-branding-SLE

Security update for MozillaThunderbird

Security update for mozjs128

Security update for MozillaFirefox, MozillaFirefox-branding-SLE

When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `&lt;embed&gt;` or `&lt;object&gt;` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability affects Firefox < 140, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.

When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `&lt;embed&gt;` or `&lt;object&gt;` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability affects Firefox < 140, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.

When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `&lt;embed&gt;` or `&lt;object&gt;` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability affects Firefox < 140, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.