22 matches found
thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link
The Mozilla Foundation's Security Advisory describes the following issue: Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to...
thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link
The Mozilla Foundation's Security Advisory describes the following issue: Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to...
thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking
The Mozilla Foundation's Security Advisory describes the following issue: It is possible to craft an email that shows a tracking link as an attachment. If the user attempts to open the attachment, Thunderbird automatically accesses the link. The configuration to block remote content does not...
thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking
The Mozilla Foundation's Security Advisory describes the following issue: It is possible to craft an email that shows a tracking link as an attachment. If the user attempts to open the attachment, Thunderbird automatically accesses the link. The configuration to block remote content does not...
thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link
The Mozilla Foundation's Security Advisory describes the following issue: Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to...
thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking
The Mozilla Foundation's Security Advisory describes the following issue: It is possible to craft an email that shows a tracking link as an attachment. If the user attempts to open the attachment, Thunderbird automatically accesses the link. The configuration to block remote content does not...
thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking
The Mozilla Foundation's Security Advisory describes the following issue: It is possible to craft an email that shows a tracking link as an attachment. If the user attempts to open the attachment, Thunderbird automatically accesses the link. The configuration to block remote content does not...
thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking
The Mozilla Foundation's Security Advisory describes the following issue: It is possible to craft an email that shows a tracking link as an attachment. If the user attempts to open the attachment, Thunderbird automatically accesses the link. The configuration to block remote content does not...
Mozilla Thunderbird Cross-Site Scripting Vulnerability (CNVD-2025-18673)
Mozilla Thunderbird is the United States Mozilla Foundation's set of independent from the Mozilla Application Suite e-mail client software. The program supports IMAP, POP mail protocols and HTML mail format. A cross-site scripting vulnerability exists in Mozilla Thunderbird, which stems from...
CVE-2025-3909
Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened,...
DEBIAN-CVE-2025-3909
Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment message/rfc822 and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened,...
DEBIAN-CVE-2025-3932
It was possible to craft an email that showed a tracking link as an attachment. If the user attempted to open the attachment, Thunderbird automatically accessed the link. The configuration to block remote content did not prevent that. Thunderbird has been fixed to no longer allow access to web...
Mozilla Thunderbird 安全漏洞
Mozilla Thunderbird is the United States Mozilla Foundation's set of independent from the Mozilla Application Suite e-mail client software. The program supports IMAP, POP mail protocols and HTML mail format. A cross-site scripting vulnerability exists in Mozilla Thunderbird, which stems from...
thunderbird: User Interface (UI) Misrepresentation of attachment URL
A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the...
thunderbird: User Interface (UI) Misrepresentation of attachment URL
A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the...
thunderbird: User Interface (UI) Misrepresentation of attachment URL
A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the...
thunderbird: User Interface (UI) Misrepresentation of attachment URL
A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the...
CVE-2025-3522
Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments which can be hosted externally. When an email is opened, Thunderbird accesses the specified URL to determine file size, and navigates to it when the user clicks the attachment. Because the URL is not validate...
DEBIAN-CVE-2025-3522
Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments which can be hosted externally. When an email is opened, Thunderbird accesses the specified URL to determine file size, and navigates to it when the user clicks the attachment. Because the URL is not validate...
DEBIAN-CVE-2025-3523
When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from...