Linux Distros Unpatched Vulnerability : CVE-2026-84127

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Information disclosure in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 155. CVE-2026-84127 Note that Nessus relie...

PT-2026-84192

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 A clickjacking issue exists within the DOM: Events component. Clickjacking is a technique where...

PT-2026-84193

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 A site isolation issue exists within the DOM Navigation component. Site isolation is a security...

PT-2026-84184

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-2026-84174

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-2026-84198

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 ESR versions prior to 140.15 Thunderbird ESR versions pri...

PT-2026-84190

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 A spoofing issue exists within the DOM: Core & HTML component. Recommendations Update Firefox t...

PT-2026-84177

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

PT-2026-84194

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 ESR versions prior to 153.2 Description An integer overflow exists within the Graphics: ImageLib component. An integer overflow...

PT-2026-84197

Name of the Vulnerable Software and Affected Versions Thunderbird version 154 Thunderbird ESR version 153.1 Firefox version 154 Firefox ESR version 153.1 Description Internal bugs were identified that exhibit evidence of memory corruption or other security-relevant defects, which could potentiall...

PT-2026-84173

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...

KLA91250 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 Windows 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 Firefox 155...

Mozilla Firefox ESR < 115.40

The version of Firefox ESR installed on the remote macOS or Mac OS X 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...

PT-2026-84179

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 155 Thunderbird versions prior to 155 Description Incorrect boundary conditions exist within the Layout: Grid component. Recommendations Update Firefox to version 155. Update Thunderbird to version 155...

PT-2026-84180

Name of the Vulnerable Software and Affected Versions Firefox for Android versions prior to 155 Description An information disclosure issue exists within the WebExtensions component, which allows for the unauthorized exposure of sensitive data. Recommendations Update to version 155...

PT-2026-84181

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 155 Thunderbird versions prior to 155 Description Privilege escalation exists in the WebDriver BiDi component. WebDriver BiDi is a protocol that allows for bidirectional communication between the browser and the...

Linux Distros Unpatched Vulnerability : CVE-2026-84125

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2...

Mozilla Firefox < 155.0

The version of Firefox installed on the remote Windows host is prior to 155.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-82 advisory. - Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155,...

PT-2026-84170

Name of the Vulnerable Software and Affected Versions Firefox for Android versions prior to 155 Description An issue exists that allows for privilege escalation within the application. Recommendations Update to version 155...