The vulnerability in the WebRTC component of Mozilla Firefox, Firefox ESR, and the Thunderbird email client allows a hacker to induce a service failure.

The vulnerability of the WebRTC component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird lies in the possibility of using memory after it is freed. Exploiting this vulnerability could allow a malicious actor to cause service interruptions remotely...

vulnerabilities handled in Mozilla Firefox

Mozilla has identified vulnerabilities in Firefox, specifically in version 152.0.6. Through a combination of two vulnerabilities, malicious actors can execute malicious code on victims’ systems remotely. For successful exploitation, users must visit a malicious website or a legitimate website wit...

Security updates available for Adobe, Chrome, Firefox, VMWare, and Zoom

Security updates are not just for enterprises with a dedicated security team and a change-management calendar. For consumers and small businesses, they are one of the simplest ways to shut down known attack paths before criminals get a chance to use them. That matters because attackers love these...

[SECURITY] Fedora 44 Update: firefox-152.0.6-1.fc44

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability...

Amazon Linux 2023 : firefox (ALAS2023-2026-1928)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1928 advisory. Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12...

Fedora 44 : firefox (2026-51c2920764)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-51c2920764 advisory. - New upstream release 152.0.6 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus ha...

The vulnerability of the JavaScript Engine component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird allows a hacker to execute arbitrary code.

The vulnerability of the JavaScript Engine component in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Vulnerability of the DOM component: Core and HTML browsers such as Mozilla Firefox, Firefox ESR, and the email client Thunderbird, allowing attackers to induce a service failure.

The vulnerability of the DOM component: The Core and HTML browsers of Mozilla Firefox, Firefox ESR, and the email client Thunderbird are vulnerable because they allow memory to be used after it is released. Exploiting this vulnerability could enable a malicious actor to cause service interruption...

EUVD-2026-44703

Zen is a firefox-based browser. Prior to 1.19.13b, Zen Browser did not provide a persistent, clearly visible security notification when a webpage entered fullscreen mode, allowing an attacker-controlled page to hide the real browser UI and origin information, imitate a trusted website UI, and...

Firefox, Chrome, Adobe, and VMware Updates Fix Multiple Critical Security Flaws

Mozilla has released updates to address two critical flaws in Firefox for which it warned that exploit code has been published. The vulnerabilities are listed below - CVE-2026-15718 , an invalid pointer in the JavaScript: WebAssembly component CVE-2026-15719 , a site isolation in the DOM:...

SUSE CVE-2026-15718

We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13...

SUSE CVE-2026-15719

We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13...

firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird ESR 140.12...

firefox: thunderbird: Mitigation bypass in the DOM: Security component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the DOM: Security component...

firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird ESR 140.12...

firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Networking component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the Networking component...

firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird ESR 140.12...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Denial-of-service in the Graphics: ImageLib component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Denial-of-service in the Graphics: ImageLib component...

firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Thunderbird ESR 140.12...