PT-2026-84196

Name of the Vulnerable Software and Affected Versions Firefox version 154 Firefox ESR version 153.1 Firefox ESR version 140.14 Thunderbird version 154 Thunderbird ESR version 153.1 Thunderbird ESR version 140.14 Description Internal bugs were identified that exhibit evidence of memory corruption ...

PT-2026-84178

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions prior to 155 Mozilla Firefox ESR versions prior to 153.2 Description A use-after-free issue exists within the DOM: Core and HTML components. A use-after-free occurs when an application continues to use a pointer after ...

PT-2026-84172

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 155 Firefox ESR versions prior to 115.40 Firefox ESR versions prior to 140.15 Firefox ESR versions prior to 153.2 Thunderbird versions prior to 155 Thunderbird versions prior to 140.15 Thunderbird versions prior to...

PT-2026-84185

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 155 Firefox ESR versions prior to 153.2 Thunderbird versions prior to 155 Thunderbird versions prior to 153.2 Description An information disclosure issue exists within the Networking: HTTP component. Recommendations...

KLA91255 Multiple vulnerabilities in Mozilla Thunderbird ESR

Multiple vulnerabilities were found in Mozilla Thunderbird ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information. Below is a complete list of vulnerabilities: 1. Denial of service...

KLA91248 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1...

Security Vulnerabilities fixed in Firefox ESR 140.15 — Mozilla

Internally found bugs present in Firefox 154, Firefox ESR 153.1 and Firefox ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs present in...

KLA91252 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code. Below is a complete list of vulnerabilities: 1. Security vulnerability in the Remote Settings Client...

Mozilla Firefox ESR < 153.2

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 153.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-85 advisory. - Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in...

Mozilla Firefox ESR < 115.40

The version of Firefox ESR installed on the remote Windows host is prior to 115.40. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-83 advisory. - Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154 and Thunderbi...

Mozilla Firefox ESR < 140.15

The version of Firefox ESR installed on the remote Windows host is prior to 140.15. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-84 advisory. - Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154 and Thunderbi...

The vulnerability in the Security component of Firefox web browsers, Firefox ESR, and the Thunderbird email client allows a hacker to trigger a service failure.

The vulnerability of the Security component in the Firefox web browser, Firefox ESR, and the Thunderbird email client is related to insecure management of privileges. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

The vulnerability of the Workers component in web browsers Firefox, Firefox ESR, and the email client Thunderbird allows a hacker to trigger a service failure.

The vulnerability of the Workers component in web browsers Firefox, Firefox ESR, and the email client Thunderbird is related to insecure management of privileges. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

The vulnerability of the Policies component in Firefox web browsers, Firefox ESR, and the Thunderbird email client allows a hacker to trigger a service failure.

The vulnerability of the Policies component in Firefox web browsers, Firefox ESR, and the Thunderbird email client is related to insecure management of privileges. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

The vulnerability of the Sandboxing component in Firefox web browsers, Firefox ESR, and the Thunderbird email client allows a intruder to access confidential data.

The vulnerability of the Sandboxing component in Firefox web browsers, Firefox ESR, and the email client Thunderbird relates to the disclosure of information in the erroneous data area. Exploiting this vulnerability can allow an attacker operating remotely to gain access to confidential data...

The vulnerability of the Audio/Video components in Firefox and Firefox ESR web browsers, as well as in the Thunderbird email client, allows attackers to gain access to confidential data.

The vulnerability of the Audio/Video components in Firefox and Firefox ESR web browsers, as well as in the Thunderbird email client, is related to the execution of operations beyond the buffer limits in memory. Exploiting this vulnerability can allow an attacker to gain access to confidential dat...

The vulnerability of the Engine component in web browsers Firefox and Firefox ESR, as well as the Thunderbird email client, allows a perpetrator to gain access to confidential data.

The vulnerability of the Engine component in web browsers such as Firefox and Firefox ESR, as well as in the Thunderbird email client, is related to insufficient input validation. Exploiting this vulnerability can allow an attacker to gain access to confidential data remotely...

The vulnerability of the Disability Access APIs in Firefox and Firefox ESR web browsers, as well as the Thunderbird email client, allows a malicious actor to trigger a service failure.

The vulnerability of the Disability Access APIs in Firefox and Firefox ESR web browsers, as well as the Thunderbird email client, is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability in the Security component of Firefox web browsers, Firefox ESR, and the Thunderbird email client allows attackers to access confidential data and compromise data integrity.

The vulnerability of the Security component in Firefox web browsers, Firefox ESR, and the email client Thunderbird is related to a lack of data security mechanisms. Exploiting this vulnerability can allow an attacker to gain access to confidential data and compromise data integrity...

The vulnerability of the Backup component in Firefox and Firefox ESR web browsers, as well as in the Thunderbird email client, allows a hacker to trigger a service failure.

The vulnerability of the Backup component in Firefox and Firefox ESR web browsers, as well as in the Thunderbird email client, is related to a lack of data security mechanisms. Exploiting this vulnerability could allow an attacker to cause service interruptions...