CVE-2026-84639

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

CVE-2026-84639

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

CVE-2026-84639 Uninitialized memory in MIME parsing

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

CVE-2026-84639

CVE-2026-84639 affects Mozilla Thunderbird 's MIME parsing component. Triggering an error condition in certain MIME bodies causes uninitialized memory to be used , leading to a remote denial-of-service as noted by Kaspersky. The CVSS 3.1 score is 9.1 (Critical) with a network attack vector, low c...

CVE-2026-84639

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header

A flaw was found in the Golang MIME Multipurpose Internet Mail Extensions package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service...

PT-2026-84525

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 140.15 Thunderbird versions prior to 153.2 Thunderbird versions prior to 155 Description Triggering an error condition in certain MIME bodies Multipurpose Internet Mail Extensions, a standard that allows email to...

Mozilla Thunderbird < 155.0

The version of Thunderbird installed on the remote Windows host is prior to 155.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-86 advisory. - Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155...

Security Vulnerabilities fixed in Thunderbird 155 — Mozilla

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. A maliciously constructed mail header could lead to a one byte read past the end of a buffer. A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID...

Security Vulnerabilities fixed in Thunderbird 140.15 — Mozilla

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. A maliciously constructed mail header could lead to a one byte read past the end of a buffer. A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID...

CVE-2026-82396

Sulu is an open-source PHP content management system based on the Symfony framework. Prior to versions 2.6.25 and 3.0.8, src/Sulu/Bundle/MediaBundle/Controller/MediaStreamController.php allows the /media/id/download/slug route and its administration variant to honor the inline query parameter for...

CVE-2026-82396

Sulu , an open-source PHP CMS built on Symfony, is affected by a stored XSS in MediaStreamController.php prior to versions 2.6.25 and 3.0.8 . The /media/{id}/download/{slug} route honors the inline=1 query parameter for scriptable MIME types (text/html, application/xhtml+xml, text/xml, applicatio...

CVE-2026-82396 Sulu: Stored XSS via media download inline-disposition override

Sulu is an open-source PHP content management system based on the Symfony framework. Prior to versions 2.6.25 and 3.0.8, src/Sulu/Bundle/MediaBundle/Controller/MediaStreamController.php allows the /media/id/download/slug route and its administration variant to honor the inline query parameter for...

CVE-2026-82396 Sulu: Stored XSS via media download inline-disposition override

Sulu is an open-source PHP content management system based on the Symfony framework. Prior to versions 2.6.25 and 3.0.8, src/Sulu/Bundle/MediaBundle/Controller/MediaStreamController.php allows the /media/id/download/slug route and its administration variant to honor the inline query parameter for...

CVE-2026-81891

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, checkExtractItems in php/elFinderVolumeDriver.class.php calls mimetypeInternalDetect without passing the result through mimeTypeNormalize. Because the .phtml, .phar, .php5, and .php3 extension...

CVE-2026-54179

backpack/crud provides Create, Read, Update & Delete CRUD functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.37, the src/app/Library/Uploaders/SingleBase64Image.php methods SingleBase64Image::uploadFiles and...

CVE-2026-81891

elFinder (open-source web file manager) is vulnerable to remote code execution prior to version 2.1.70 . The flaw resides in checkExtractItems() in php/elFinderVolumeDriver.class.php, which calls mimetypeInternalDetect() without passing the result through mimeTypeNormalize(). Because the .phtml, ...

CVE-2026-81891 elFinder: ZIP extraction bypasses uploadDeny MIME filter allowing PHP file upload (RCE)

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, checkExtractItems in php/elFinderVolumeDriver.class.php calls mimetypeInternalDetect without passing the result through mimeTypeNormalize. Because the .phtml, .phar, .php5, and .php3 extension...

CVE-2026-81891 elFinder: ZIP extraction bypasses uploadDeny MIME filter allowing PHP file upload (RCE)

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, checkExtractItems in php/elFinderVolumeDriver.class.php calls mimetypeInternalDetect without passing the result through mimeTypeNormalize. Because the .phtml, .phar, .php5, and .php3 extension...

CVE-2026-54179 backpack/crud: SingleBase64Image accepts any base64 payload behind a `data:image` prefix — SVG-with-script lands on the public disk

backpack/crud provides Create, Read, Update & Delete CRUD functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.37, the src/app/Library/Uploaders/SingleBase64Image.php methods SingleBase64Image::uploadFiles and...