Firefox

firefox

Vendor: Mozilla • 3,181 CVEs

CVEs (3,181)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2026-12294 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Jun 16, 2026 N/A· v4 9.6 CRITICAL· v3 N/A· v2 Sandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12293 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Jun 16, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12292 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Jun 16, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12291 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Jun 16, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12290 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Jun 16, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12289 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Jun 16, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-10702 1Mozilla 1Firefox Jul 22, 2026 Jun 2, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 151.0.3.
CVE-2026-10701 1Mozilla 1Firefox Jul 22, 2026 Jun 2, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Incorrect boundary conditions in the Graphics: Text component. This vulnerability was fixed in Firefox 151.0.3.
CVE-2026-9309 1Mozilla 1Firefox Jul 22, 2026 Jun 1, 2026 N/A· v4 5.4 MEDIUM· v3 N/A· v2 Firefox for iOS Reader View did not properly escape HTML tags in JSON-LD metadata. A malicious page could inject markup that changed Reader View behavior and leaked sensitive URL parameters. These parameters could then b...Show more Firefox for iOS Reader View did not properly escape HTML tags in JSON-LD metadata. A malicious page could inject markup that changed Reader View behavior and leaked sensitive URL parameters. These parameters could then be used to access internal pages, potentially resulting in arbitrary JavaScript execution in an internal origin. This vulnerability was fixed in Firefox for iOS 151.2.Show less
CVE-2026-9308 1Mozilla 1Firefox Jul 22, 2026 Jun 1, 2026 N/A· v4 5.4 MEDIUM· v3 N/A· v2 Firefox for iOS Reader View replaced page content in its HTML template before replacing other internal placeholders. A malicious page could include a placeholder string that was later substituted with JSON-LD data, poten...Show more Firefox for iOS Reader View replaced page content in its HTML template before replacing other internal placeholders. A malicious page could include a placeholder string that was later substituted with JSON-LD data, potentially resulting in arbitrary JavaScript execution. This vulnerability was fixed in Firefox for iOS 151.2.Show less
CVE-2026-9078 1Mozilla 1Firefox Jul 23, 2026 May 25, 2026 N/A· v4 5.4 MEDIUM· v3 N/A· v2 Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed d...Show more Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This vulnerability was fixed in Firefox for iOS 151.1.Show less
CVE-2026-8706 1Mozilla 1Firefox Jul 23, 2026 May 19, 2026 N/A· v4 6.5 MEDIUM· v3 N/A· v2 Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies. Th...Show more Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies. This vulnerability was fixed in Firefox for iOS 151.0.Show less
CVE-2026-8975 1Mozilla 2Firefox Thunderbird Jul 23, 2026 May 19, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited...Show more Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. 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 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.Show less
CVE-2026-8974 1Mozilla 2Firefox Thunderbird Jul 23, 2026 May 19, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. 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 co...Show more Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. 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 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.Show less
CVE-2026-8973 1Mozilla 2Firefox Thunderbird Jul 23, 2026 May 19, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Memory safety bugs present in Firefox 150. 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...Show more Memory safety bugs present in Firefox 150. 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 151 and Thunderbird 151.Show less
CVE-2026-8972 1Mozilla 2Firefox Thunderbird Jul 23, 2026 May 19, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8971 1Mozilla 2Firefox Thunderbird Jul 23, 2026 May 19, 2026 N/A· v4 6.5 MEDIUM· v3 N/A· v2 Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8970 1Mozilla 2Firefox Thunderbird Jul 23, 2026 May 19, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Privilege escalation in the Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVE-2026-8969 1Mozilla 2Firefox Thunderbird Jul 23, 2026 May 19, 2026 N/A· v4 8.1 HIGH· v3 N/A· v2 Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
CVE-2026-8968 1Mozilla 2Firefox Thunderbird Jul 23, 2026 May 19, 2026 N/A· v4 7.5 HIGH· v3 N/A· v2 Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Previous 1 234 5...160 Next