Vulnerabilities in mozilla
2,453 resultsCVE-2023-25730MEDIUMA background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode iEPSS 0.5%CVE-2023-28177HIGHMemory safety bugs present in Firefox 110. Some of these bugs showed evidence of memory corruption and we presume that with enough effort soEPSS 0.5%CVE-2026-0880HIGHSandbox escape due to integer overflow in the Graphics componentEPSS 0.5%CVE-2024-4773HIGHWhen a network error occurred during page load, the prior content could have remained in view with a blank URL bar. This could have been useEPSS 0.5%CVE-2024-6604HIGHMemory safety bugs fixed in Firefox 128, Firefox ESR 115.13, Thunderbird 128, and Thunderbird 115.13EPSS 0.5%CVE-2025-1020CRITICALMemory safety bugs fixed in Firefox 135 and Thunderbird 135EPSS 0.5%CVE-2026-92238CRITICALAmbiguous parsing of mail headersEPSS 0.5%CVE-2022-46885HIGHMozilla developers Timothy Nikkel, Ashley Hale, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 105. Some of theEPSS 0.5%CVE-2020-15668—A lock was missing when accessing a data structure and importing certificate information into the trust database. This vulnerability affectsEPSS 0.5%CVE-2024-4768MEDIUMA bug in popup notifications' interaction with WebAuthn made it easier for an attacker to trick a user into granting permissions. This vulneEPSS 0.5%CVE-2025-1931HIGHUse-after-free in WebTransportChildEPSS 0.5%CVE-2023-32210—Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal. InEPSS 0.5%CVE-2024-6603HIGHMemory corruption in thread creationEPSS 0.5%CVE-2026-2799HIGHUse-after-free in the DOM: Core & HTML componentEPSS 0.5%CVE-2026-16393CRITICALIncorrect boundary conditions in the Graphics: WebGPU componentEPSS 0.5%CVE-2024-4777HIGHMemory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. Some of these bugs showed evidence of memory corruptiEPSS 0.5%CVE-2023-42808MEDIUMCommon Voice Cross-site Scripting vulnerabilityEPSS 0.5%CVE-2024-9392CRITICALA compromised content process could have allowed for the arbitrary loading of cross-origin pages. This vulnerability affects Firefox < 131, EPSS 0.5%CVE-2026-74990CRITICALInternally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154EPSS 0.5%CVE-2026-74982HIGHDenial-of-service in the Widget componentEPSS 0.5%