CVE-2026-16349 Same-origin policy bypass in the DOM: Navigation component

Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

N-day is Becoming N-Hour. Patching Faster Won't Save You.

Every patch is a confession. The moment a vendor ships a security fix, the diff between the old code and the new code tells anyone watching exactly what was broken and where. Turn that diff back into a working exploit, and you can hit every system that hasn't updated yet. This is N-day...

webkit2gtk3 security update

An update is available for webkit2gtk3. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list WebKitGTK is the port of the portable web rendering engine WebKit to the...

RLSA-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:...

KLA91163 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. Denial of service...

Security Vulnerabilities fixed in Thunderbird 153 — 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. Memory safety bugs present in...

Mozilla -- Memory safety bugs

https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/CVE-2026-16411 reports Memory safety bugs present in 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 arbitrary code...

Mozilla -- Memory safety bugs

https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/CVE-2026-16360 reports: 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 effort some of these could have been...

Mozilla Firefox ESR < 115.38

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.38. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-69 advisory. - We are aware that exploit code for this is public however we are not aware of any attacks in the wild...

AlmaLinux 8 : webkit2gtk3 (ALSA-2026:42088)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42088 advisory. Mozilla: Arbitrary JavaScript execution in PDF.js CVE-2024-4367 webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash...

KLA91170 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. 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. Denia...

KLA91164 Multiple vulnerabilities in Mozilla Firefox

Multiple vulnerabilities were found in Mozilla Firefox. 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...

Security Vulnerabilities fixed in Firefox ESR 140.13 — 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. 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 140.12 and...

Security Vulnerabilities fixed in Firefox 153 — Mozilla

Memory safety bugs present in 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 arbitrary code. Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed...

📄 WordPress Drag and Drop Multiple File Upload for Contact Form 7 1.3.8.6 File Deletion

WordPress Drag and Drop Multiple File Upload for Contact Form 7 plugin version 1.3.8.6 contains an unauthenticated arbitrary file deletion vulnerability. A remote attacker can delete arbitrary files accessible to the affected WordPress installation. This proof of concept exploit demonstrates the...

RockyLinux 8 : webkit2gtk3 (RLSA-2026:42088)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:42088 advisory. Mozilla: Arbitrary JavaScript execution in PDF.js CVE-2024-4367 webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash...

AlmaLinux 9 : webkit2gtk3 (ALSA-2026:42062)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42062 advisory. Mozilla: Arbitrary JavaScript execution in PDF.js CVE-2024-4367 webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash...

Mozilla Firefox ESR < 115.38

The version of Firefox ESR installed on the remote Windows host is prior to 115.38. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-69 advisory. - We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing thi...

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...