Mozilla Firefox ESR < 140.13

The version of Firefox ESR installed on the remote Windows host is prior to 140.13. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-70 advisory. - Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory...

Mozilla Firefox < 153.0

The version of Firefox installed on the remote Windows host is prior to 153.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-68 advisory. - Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory...

Security Vulnerabilities fixed in Thunderbird 140.13 — Mozilla

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. We are aware that exploit code for...

Security Vulnerabilities fixed in Firefox ESR 115.38 — Mozilla

We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough...

Mozilla Firefox < 153.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 153.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-68 advisory. - Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memo...

Mozilla -- Memory safety bugs

https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/CVE-2026-16412 reports: Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. 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...

KLA91169 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...

KLA91165 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. Below is a complete list of vulnerabilities: 1. Security vulnerability can ...

Important: Red Hat Security Advisory: webkit2gtk3 security update

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...

Mozilla: Arbitrary JavaScript execution in PDF.js

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context...

Important: Red Hat Security Advisory: webkit2gtk3 security update

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...

Mozilla: Arbitrary JavaScript execution in PDF.js

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context...

The vulnerability of the JIT-compiler of the Mozilla Firefox browser allows a hacker to execute arbitrary code.

The vulnerability of the JIT-compiler of the Mozilla Firefox browser is related to type mixing errors. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Important: webkit2gtk3 security update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: Mozilla: Arbitrary JavaScript execution in PDF.js CVE-2024-4367 webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash CVE-2026-39872 webkitgtk: webkitgtk:...

Important: webkit2gtk3 security update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: Mozilla: Arbitrary JavaScript execution in PDF.js CVE-2024-4367 webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash CVE-2026-39872 webkitgtk: webkitgtk:...

RHEL 9 : webkit2gtk3 (RHSA-2026:42062)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42062 advisory. WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: Mozilla: Arbitrary JavaScript...

Vulnerability of the DOM component: Mozilla Firefox’s navigation feature allows attackers to compromise the privacy and integrity of protected information.

Vulnerability of the DOM component: Mozilla Firefox’s navigation mechanism is associated with deficiencies in access control. Exploiting this vulnerability can allow an attacker to compromise the confidentiality and integrity of protected information...

ALSA-2026:42088 Important: webkit2gtk3 security update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: Mozilla: Arbitrary JavaScript execution in PDF.js CVE-2024-4367 webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash CVE-2026-39872 webkitgtk: webkitgtk:...

ALSA-2026:42062 Important: webkit2gtk3 security update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: Mozilla: Arbitrary JavaScript execution in PDF.js CVE-2024-4367 webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash CVE-2026-39872 webkitgtk: webkitgtk:...

RHEL 8 : webkit2gtk3 (RHSA-2026:42088)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42088 advisory. WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: Mozilla: Arbitrary JavaScript...