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Mozilla — Vulnerabilities & Security Advisories 1773

Browse all 1773 CVE security advisories affecting Mozilla. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Mozilla operates as a non-profit organization primarily known for developing the Firefox web browser and maintaining the Gecko rendering engine. Its software portfolio serves millions of users globally, focusing on open-source web technologies and privacy-centric browsing solutions. Historically, the codebase has been susceptible to a wide array of vulnerabilities, including remote code execution, cross-site scripting, and memory corruption issues such as buffer overflows. These flaws often stem from complex JavaScript engines and network stack implementations. While Mozilla maintains a robust security response team and regularly issues patches, the sheer volume of recorded Common Vulnerabilities and Exposures highlights the challenges inherent in maintaining large-scale, cross-platform applications. The organization continues to prioritize security audits and community-driven bug bounty programs to mitigate risks associated with its extensive feature set and widespread adoption.

CVE IDTitleCVSSSeverityPublished
CVE-2026-6767 Other issue in the Libraries component in NSS — Firefox 9.1AICriticalAI2026-04-21
CVE-2026-6765 Information disclosure in the Form Autofill component — Firefox 7.5AIHighAI2026-04-21
CVE-2026-6763 Mitigation bypass in the File Handling component — Firefox 9.1AICriticalAI2026-04-21
CVE-2026-6764 Incorrect boundary conditions in the DOM: Device Interfaces component — Firefox 5.3AIMediumAI2026-04-21
CVE-2026-6762 Spoofing issue in the DOM: Core & HTML component — Firefox 4.3AIMediumAI2026-04-21
CVE-2026-6761 Privilege escalation in the Networking component — Firefox 8.8AIHighAI2026-04-21
CVE-2026-6760 Mitigation bypass in the Networking: Cookies component — Firefox 9.1AICriticalAI2026-04-21
CVE-2026-6758 Use-after-free in the JavaScript: WebAssembly component — Firefox 9.8AICriticalAI2026-04-21
CVE-2026-6759 Use-after-free in the Widget: Cocoa component — Firefox 9.8AICriticalAI2026-04-21
CVE-2026-6757 Invalid pointer in the JavaScript: WebAssembly component — Firefox 7.5AIHighAI2026-04-21
CVE-2026-6756 Mitigation bypass in Firefox for Android — Firefox 8.1AIHighAI2026-04-21
CVE-2026-6754 Use-after-free in the JavaScript Engine component — Firefox 9.8AICriticalAI2026-04-21
CVE-2026-6755 Mitigation bypass in the DOM: postMessage component — Firefox 6.5AIMediumAI2026-04-21
CVE-2026-6753 Incorrect boundary conditions in the WebRTC component — Firefox 9.1AICriticalAI2026-04-21
CVE-2026-6752 Incorrect boundary conditions in the WebRTC component — Firefox 9.1AICriticalAI2026-04-21
CVE-2026-6751 Uninitialized memory in the Audio/Video: Web Codecs component — Firefox 9.1AICriticalAI2026-04-21
CVE-2026-6750 Privilege escalation in the Graphics: WebRender component — Firefox 9.8AICriticalAI2026-04-21
CVE-2026-6749 Information disclosure due to uninitialized memory in the Graphics: Canvas2D component — Firefox 7.5AIHighAI2026-04-21
CVE-2026-6748 Uninitialized memory in the Audio/Video: Web Codecs component — Firefox 9.1AICriticalAI2026-04-21
CVE-2026-6747 Use-after-free in the WebRTC component — Firefox 9.8AICriticalAI2026-04-21
CVE-2026-6746 Use-after-free in the DOM: Core & HTML component — Firefox 9.8AICriticalAI2026-04-21
CVE-2026-6654 Use-After-Free and Double-Free in IntoIter::drop when element drop panics — thin-vec 7.5AIHighAI2026-04-20
CVE-2026-5735 Memory safety bugs fixed in Firefox 149.0.2 and Thunderbird 149.0.2 — Firefox 9.8 -2026-04-07
CVE-2026-5734 Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 — Firefox 9.8 -2026-04-07
CVE-2026-5733 Incorrect boundary conditions in the Graphics: WebGPU component — Firefox 8.1AIHighAI2026-04-07
CVE-2026-5732 Incorrect boundary conditions, integer overflow in the Graphics: Text component — Firefox 8.8AIHighAI2026-04-07
CVE-2026-5731 Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 — Firefox 8.8AIHighAI2026-04-07
CVE-2026-4371 Out of bounds read in IMAP parsing — Thunderbird 8.1 -2026-03-24
CVE-2026-3889 Spoofing issue in Thunderbird — Thunderbird 4.3 -2026-03-24
CVE-2026-4729 Memory safety bugs fixed in Firefox 149 and Thunderbird 149 — Firefox 9.8 -2026-03-24

This page lists every published CVE security advisory associated with Mozilla. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.