Vulnerabilities in web browsers Firefox and Firefox ESR, as well as the Thunderbird email client, allow attackers to trigger a service failure.

The vulnerabilities in web browsers Firefox and Firefox ESR, as well as the Thunderbird email client, are related to the use of memory after it is freed. Exploiting these vulnerabilities can allow an attacker to cause service interruptions...

Vulnerabilities in the web browsers Firefox ESR and Firefox, as well as the email client Thunderbird, allow attackers to gain access to confidential data.

The vulnerabilities in the web browsers Firefox ESR and Firefox, as well as the email client Thunderbird, are related to authentication process flaws. Exploiting these vulnerabilities can allow an attacker to gain access to confidential data remotely...

The vulnerability of the Thunderbird email client, allowing a hacker to gain access to confidential data

The vulnerability of the Thunderbird email client is related to the lack of mechanisms for encoding or shielding output data. Exploiting this vulnerability can allow a malicious actor to gain access to confidential data...

CVE-2026-41904 FreeScout Stored XSS vulnerability in mailbox auto-reply: payload reaches every customer's email client (no CSP), bypassing strip_tags validator with mixed text+HTML content

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.217, a user with updateAutoReply permission can store an XSS payload in the mailbox auto-reply message. The payload is rendered unescaped in the auto-reply email sent to every customer who...

mutt 安全漏洞

Mutt is an open-source command-line email client for sending emails from the terminal. Versions of Mutt prior to 2.3.2 contained security vulnerabilities, which were caused by improper handling of the imapauthgss security level...

The vulnerability of Firefox browser and Thunderbird email client lies in the use of memory after it is freed, allowing an attacker to trigger a service failure.

The vulnerability of Firefox browser and Thunderbird email client lies in the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client, which allows a hacker to trigger a service failure

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to type conversion errors. Exploiting this vulnerability could allow a malicious actor to cause service failures...

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client, which allows a hacker to trigger a service failure

The vulnerability of the WebAssembly component in the Firefox web browser and the Thunderbird email client is related to insufficient checking of unusual or exceptional states. Exploiting this vulnerability could allow a remote attacker to cause service failures...

The vulnerability in the Firefox web browser and the Thunderbird email client relates to access to an uninitialized pointer, allowing a malicious actor to trigger a service failure.

The vulnerability in the Firefox web browser and the Thunderbird email client relates to access to an uninitialized pointer. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

The vulnerability of the GC component in the Firefox browser and the Thunderbird email client allows a hacker to trigger a service failure.

The vulnerability of the GC component in the Firefox browser and the Thunderbird email client is related to the use of memory after it is released. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability in the Firefox web browser and Thunderbird email client, related to uncontrolled resource consumption, allows attackers to trigger a service failure.

The vulnerability in the Firefox web browser and Thunderbird email client is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a malicious actor to cause service failures...

PT-2026-34465

ICEWARP 11.0.0.0 contains a cross-site scripting vulnerability that allows attackers to inject malicious HTML elements into emails by embedding base64-encoded payloads in object and embed tags. Attackers can craft emails containing data URIs with embedded scripts that execute in the client when t...

Mozilla多款产品 安全漏洞

Mozilla Firefox, among others, are products of the American Mozilla Foundation. Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla...

[SECURITY] Fedora 42 Update: roundcubemail-1.6.15-1.fc42

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in...

Mozilla Thunderbird Spoofing Vulnerability (CNVD-2026-16380)

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 spoofing vulnerability exists in Mozilla Thunderbird, which can be exploited by attacke...

Multiple Mozilla Products Code Issues Vulnerabilities

Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox the web browser.Mozilla Thunderbird is a suite of email client software separate from the Mozilla Application Suite. A code issue vulnerability exists in several Mozilla products that can b...

Unspecified Vulnerability in Mozilla Firefox and Mozilla Thunderbird

Mozilla Firefox is an open source web browser.Mozilla Thunderbird is a set of e-mail client software separate from the Mozilla Application Suite. The software supports IMAP, POP mail protocols and HTML mail format. A security vulnerability exists in Mozilla Firefox and Mozilla Thunderbird, which...

[SECURITY] Fedora 43 Update: roundcubemail-1.6.14-1.fc43

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. RoundCube Webmail is written in...

Mozilla多款产品 代码问题漏洞

Mozilla Firefox, among others, are products of the American Mozilla Foundation. Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla...

Fickling has safety check bypass via REDUCE+BUILD opcode sequence

Assessment It is believed that the analysis pass works as intended, REDUCE and BUILD are not at fault here. The few potentially unsafe modules have been added to the blocklist https://github.com/trailofbits/fickling/commit/0c4558d950daf70e134090573450ddcedaf10400. Original report Summary All 5 of...