Astra Linux - уязвимость в thunderbird

It was possible to create an email that included a tracking link as an attachment. If the user attempted to open the attachment, Thunderbird would automatically access the link. The configuration to block remote content did not prevent this behavior. Thunderbird has been updated to no longer allo...

Astra Linux - уязвимость в thunderbird

Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments that can be hosted externally. When an email is opened, Thunderbird accesses the specified URL to determine the file size, and navigates to the attachment when the user clicks on it. Since the URL is not...

CVE-2026-33675

Vikunja prior to version 2.2.1 is affected by an SSRF in the migration path: the DownloadFile and DownloadFileWithHeaders helpers in pkg/modules/migration/helpers.go take file attachment URLs from Todoist/Trello migrations and are invoked with no SSRF protection. An attacker can force the Vikunja...

CVE-2026-30844

Wekan is an open source kanban tool built with Meteor. Versions 8.32 and 8.33 are vulnerable to Server-Side Request Forgery SSRF via attachment URL loading. During board import in Wekan, attachment URLs from user-supplied JSON data are fetched directly by the server without any URL validation or...

MiracleLinux 8 : thunderbird-128.9.2-1.el8_10.ML.1 (AXSA:2025-9932:09)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2025-9932:09 advisory. thunderbird: User Interface UI Misrepresentation of attachment URL CVE-2025-3523 thunderbird: Information Disclosure of /tmp directory listing...

EUVD-2018-9947

Malware in sbrugna...

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...

Important: thunderbird

Issue Overview: Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid From address to be used. For example, if the From header contains an invalid value "Spoofed Name ", Thunderbird treats [email protected] as the actual address. This...

Important: thunderbird

Issue Overview: Through a series of popup and window.print calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefo...

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...

SUSE 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,...

UBUNTU-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...

CVE-2025-3932 Tracking Links in Attachments Bypassed Remote Content Blocking

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...

thunderbird: Leak of hashed Window credentials via crafted attachment URL

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: 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...

thunderbird: Leak of hashed Window credentials via crafted attachment URL

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: 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...

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: Leak of hashed Window credentials via crafted attachment URL

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: 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...