UBUNTU-CVE-2026-16374

Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16392

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16359

Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16363

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16372

Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16391

Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16371

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, Thunderbird 140.13, Firefox ESR 140.15, and Thunderbird 140.15...

UBUNTU-CVE-2026-16406

Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16357

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16401

Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16354

Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16381

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

UBUNTU-CVE-2026-16397

Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153...

UBUNTU-CVE-2026-59846

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior...

UBUNTU-CVE-2026-16375

Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16358

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16387

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16373

Information disclosure in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 153...

UBUNTU-CVE-2026-16410

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16398

Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16379

Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16349

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...

UBUNTU-CVE-2026-16356

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16403

Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16380

Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16385

Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16384

Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16376

Denial-of-service in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16365

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153, Thunderbird 153, Firefox ESR 140.15, and Thunderbird 140.15...

UBUNTU-CVE-2026-16390

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16383

Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16394

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16386

Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16368

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16353

Invalid pointer in the DOM: Bindings WebIDL component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16352

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16364

Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16362

Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16404

Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153...

UBUNTU-CVE-2026-16377

Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16350

Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16395

Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16366

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16407

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16393

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16355

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

UBUNTU-CVE-2026-16370

Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16408

Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16409

Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...

UBUNTU-CVE-2026-16367

Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153...