Nextcloud: Calendar attachments of local files are offered to downloaded

A security vulnerability in calendar attachments of local files was discovered, where users were offered to download the attachments...

SUSE CVE-2017-2645

In Moodle 3.x, XSS can occur via attachments to evidence of prior learning...

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...

SUSE 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...

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...

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...

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...

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...

UBUNTU-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...

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...

CVE-2025-3523 User Interface (UI) Misrepresentation of attachment URL

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...

CVE-2025-3523

The Mozilla Thunderbird email client is vulnerable to a User Interface (UI) Misrepresentation issue. When an email contains multiple attachments with external links provided via the X-Mozilla-External-Attachment-URL header, the client only displays the last link in the hover text for any of the a...

CVE-2025-3522 Leak of hashed Window credentials via crafted attachment URL

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...

CVE-2025-2830

By crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into including a directory listing of /tmp when the message is forwarded or edited as a new message. This vulnerability could allow attackers to disclose sensitive information from the...

CVE-2025-3522

The Mozilla Thunderbird email client is vulnerable to an information disclosure flaw because it fails to properly validate or sanitize the X-Mozilla-External-Attachment-URL header. When opening an email, Thunderbird accesses the provided URL to determine file size and navigates to it upon a user ...

CVE-2025-30692: Improper Access Control

Vulnerability in the Oracle iSupplier Portal product of Oracle E-Business Suite component: Attachments. Supported versions that are affected are 12.2.7-12.2.14. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle iSupplier Portal...

CVE-2025-30718: Undefined Security Weakness

Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite component: Attachments, File Upload. Supported versions that are affected are 12.2.3-12.2.14. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle...

CVE-2025-30711: Improper Access Control

Vulnerability in the Oracle Applications Framework product of Oracle E-Business Suite component: Attachments, File Upload. Supported versions that are affected are 12.2.3-12.2.14. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle...

PT-2025-16352 · Mozilla +10 · Thunderbird +10

Name of the Vulnerable Software and Affected Versions: Thunderbird versions prior to 137.0.2 Thunderbird versions prior to 128.9.2 Description: The issue arises from Thunderbird's handling of the X-Mozilla-External-Attachment-URL header, which allows for external attachments. When an email is...

PT-2025-16353 · Mozilla +10 · Thunderbird +10

Name of the Vulnerable Software and Affected Versions: Thunderbird versions prior to 137.0.2 Thunderbird versions prior to 128.9.2 Description: The issue arises when an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header. In such cases, only th...