CVE-2025-8036

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1...

CVE-2025-8027

CVE-2025-8027 describes a 64-bit value handling bug in the Firefox/Thunderbird JavaScript engines: on 64-bit platforms IonMonkey-JIT writes only 32 bits of a 64-bit return value to the stack, while Baseline-JIT reads all 64 bits. This can disclose or mishandle information in the return value spac...

CVE-2025-8027

On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and...

CVE-2025-8029

Thunderbird executed javascript: URLs when used in object and embed tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1...

CVE-2025-8029 javascript: URLs executed on object and embed tags

Thunderbird executed javascript: URLs when used in object and embed tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1...

CVE-2025-8029 javascript: URLs executed on object and embed tags

Thunderbird executed javascript: URLs when used in object and embed tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1...

CVE-2025-8027 JavaScript engine only wrote partial return value to stack

On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and...

CVE-2025-8029

CVE-2025-8029: Thunderbird and Firefox products are affected by a vulnerability where javascript: URLs are executed when used inside object and embed tags. The impact list states affected versions include Firefox < 141 and Thunderbird < 141 (and ESR branches

PT-2025-30480

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 141 Firefox ESR versions prior to 128.13 Firefox ESR versions prior to 140.1 Thunderbird versions prior to 141 Thunderbird versions prior to 128.13 Thunderbird versions prior to 140.1 Description The username:password...

PT-2025-30486

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 141 Firefox ESR versions prior to 140.1 Thunderbird versions prior to 141 Thunderbird versions prior to 140.1 Description Setting a nameless cookie with an equals sign in the value shadowed other cookies. This occurre...

Mozilla Thunderbird < 140.1

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-63 advisory. - Memory safety bugs present in Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140...

Mozilla Firefox和Mozilla Thunderbird 缓冲区错误漏洞

Mozilla Firefox and Mozilla Thunderbird are both products of the Mozilla Foundation in the U.S. Mozilla Firefox is an open-source web browser. Mozilla Thunderbird is a separate set of Mozilla Application Suite Email client software. The software supports IMAP, POP mail protocols, and HTML mail...

PT-2025-30487

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 141 Thunderbird versions prior to 140.1 Firefox versions prior to 141 Firefox ESR versions prior to 140.1 Description Thunderbird and Firefox incorrectly handled path validation during frame navigations. This issu...

PT-2025-30479

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 141 Firefox ESR versions prior to 128.13 Firefox ESR versions prior to 140.1 Thunderbird versions prior to 141 Thunderbird versions prior to 128.13 Thunderbird versions prior to 140.1 Description Insufficient escaping...

ROS-20250718-03

The vulnerability in Firefox and Firefox ESR browsers and Thunderbird email client is related to the operation exceeding the memory buffer boundaries. memory buffer boundaries. Exploitation of the vulnerability could allow a remote attacker, execute arbitrary code or cause a denial of service...

Oracle Linux 8 : thunderbird (ELSA-2025-10246)

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2025-10246 advisory. 128.12.0-1.0.1 - Fix prefs for new nss Orabug: 37079820 - Add Oracle prefs file 128.12.0 - Add OpenELA debranding 128.12.0-1 - Update to 128.12.0 build1 Tenabl...

firefox: thunderbird: Content-Disposition header ignored when a file is included in an embed or object tag

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When a file download is specified via the Content-Disposition header, that directive would be ignored if the file was included via a or tag, potentially making a website vulnerab...

Oracle Linux 9 : thunderbird (ELSA-2025-10196)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2025-10196 advisory. 128.12.0-1.0.1 - Fix prefs for new nss Orabug: 37079813 - Add Oracle prefs 128.12.0 - Add OpenELA debranding 128.12.0-1 - Update to 128.12.0 build1 Tenable has...

RHEL 9 : thunderbird (RHSA-2025:10159)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10159 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustio...

thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is...