UBUNTU-CVE-2026-12309

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

BIT-DISCOURSE-2026-47263 Discourse: Prevent webhook payload disclosure on event redelivery

Discourse is an open-source discussion platform. From versions 2026.1.0 to before 2026.1.4, 2026.3.0 to before 2026.3.1, and 2026.4.0 to before 2026.4.1, the MessageBus.publish call for /webhookevents/ in Jobs::RedeliverWebHookEvents did not pass groupids, leaving the channel readable by any...

ROOT-APP-NPM-CVE-2021-3803 CVE-2021-3803 in @rootio/nth-check - Patched by Root

Root has patched CVE-2021-3803 in the @rootio/nth-check package for Root:npm. Multiple fixed versions available...

CVE-2026-53900

Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0...

CVE-2026-12330

Incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 140.12, Firefox ESR 115.37, and Thunderbird 140.12...

EUVD-2026-37074

Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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. This...

CVE-2026-12328

Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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. This...

CVE-2026-12326

Memory safety bugs present in Firefox 151 and Thunderbird 151. 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. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

CVE-2026-12325

CVE-2026-12325 is a denial-of-service vulnerability in the Graphics: ImageLib component. Affected products include Mozilla Firefox and Thunderbird; root cause and impact are described as DoS in ImageLib. The vulnerability is fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbir...

CVE-2026-12323 Spoofing issue in the DOM: Core & HTML component

Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

CVE-2026-12322 Clickjacking issue in the Widget: Gtk component

Clickjacking issue in the Widget: Gtk component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

CVE-2026-12322 Clickjacking issue in the Widget: Gtk component

Clickjacking issue in the Widget: Gtk component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

CVE-2026-12319 Denial-of-service in the Audio/Video: Playback component

Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

CVE-2026-12318

CVE-2026-12318 concerns the Mozilla NSS Libraries component. The vulnerability is described as incorrect boundary conditions in the NSS Libraries, with the fixed versions identified as Firefox 152 and Thunderbird 152. Connected sources confirm this fix and cite Firefox/Thunderbird 152 as the reme...

CVE-2026-12316

CVE-2026-12316 describes a mitigation bypass in the DOM: Security component that was fixed in Mozilla Firefox 152 and Thunderbird 152. The connected documents confirm that this is a software-level patch by Mozilla, addressing a DOM-related security bypass. The vulnerability details in the public ...

CVE-2026-12308

CVE-2026-12308 is a memory-safety vulnerability affecting Mozilla Firefox and Thunderbird components. Connected advisories confirm the issue is fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. Debian’s DSA-6350-1 lists CVE-2026-12308 among multiple Firefox ESR fi...

EUVD-2026-37095

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

CVE-2026-12304

CVE-2026-12304 involves a Same-origin policy bypass in the Networking: Cookies component affecting Mozilla products. The vulnerability is documented for Firefox and Thunderbird (including firefox-esr and Thunderbird ESR variants) with fixes implemented in Firefox 152, Firefox ESR 140.12, Thunderb...

CVE-2026-12303 Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component

Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

CVE-2026-12303 Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component

Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...