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: Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corrupti...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume th...

thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of...

UBUNTU-CVE-2026-4702

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4717

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers 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 DOM: Workers component...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume th...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free through improper handling of web content. An attacker can execute arbitrary code or cause a denial of service by enticing a user to visit a specially crafted web page. Remediation Upgrade thunderbird-ESR to version 140.3 ...

CVE-2025-10537

Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in...

The vulnerability of the Address Book URI field in the Thunderbird email client, specifically in Thunderbird ESR, arises from the lack of protection for the website structure. This allows attackers to execute arbitrary JavaScript code.

The vulnerability of the Address Book URI field in the Thunderbird email client, specifically in Thunderbird ESR, is related to the lack of measures taken to protect the structure of web pages. Exploiting this vulnerability allows a malicious actor to execute arbitrary JavaScript code remotely...

firefox: thunderbird: Memory safety bugs fixed in Firefox 132, Thunderbird 132, Firefox ESR 128.4, and Thunderbird 128.4

A flaw was found in Mozilla. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox 131, Firefox ESR 128.3, and Thunderbird 128.3. Some of these bugs showed evidence of memory corruption, and we presume that with enough effort, some of thes...

PT-2012-4473 · Mozilla +3 · Thunderbird Esr +7

Name of the Vulnerable Software and Affected Versions: Mozilla Firefox versions 4.x through 12.0 Firefox ESR versions 10.x before 10.0.5 Thunderbird versions 5.0 through 12.0 Thunderbird ESR versions 10.x before 10.0.5 SeaMonkey versions prior to 2.10 Description: The issue is related to the...