Vulnerabilities in Mozilla

2,183 results
Vexday analysis

Com 1.857 CVEs catalogadas e 189 classificadas como críticas, o histórico de vulnerabilidades da Mozilla reflete a complexidade de manter um navegador amplamente adotado. A taxa de exploração ativa — 9 entradas no CISA KEV, representando 0,48% do total — está em linha com a média geral do catálogo, o que indica um nível de exposição operacional compatível com o setor, sem desvio negativo expressivo. O tipo de falha mais recorrente é CWE-416 (use-after-free), uma classe de vulnerabilidade de memória com alto potencial de execução de código, e a CVE mais perigosa atualmente ativa, CVE-2016-9079, apresenta EPSS de 0,8792 — valor elevado que sugere probabilidade significativa de exploração continuada. Os 144 CVEs surgidos nos últimos 90 dias e a existência de 27 provas de conceito públicas reforçam a necessidade de monitoramento contínuo e priorização ágil de patches para ambientes que dependem de produtos Mozilla.

CVE-2026-100760—Sandbox escape in the Security: Process Sandboxing componentEPSS 0.1%CVE-2026-100787—Sandbox escape in the XUL componentEPSS 0.1%CVE-2026-100822MEDIUMSpoofing issue in the Networking: HTTP componentEPSS 0.1%CVE-2026-16398HIGHSite isolation issue in the Graphics componentEPSS 0.1%CVE-2026-16399HIGHSite isolation issue in the DOM: Navigation componentEPSS 0.1%CVE-2026-53900MEDIUMCookie injection was possible when opening a PDF linkEPSS 0.1%CVE-2026-100763—Incorrect boundary conditions in the Graphics: WebGPU componentEPSS 0.1%CVE-2026-100793—JIT miscompilation in the JavaScript Engine componentEPSS 0.1%CVE-2026-100817—Other issue in the JavaScript: WebAssembly componentEPSS 0.1%CVE-2026-100810—Other issue in the DevTools componentEPSS 0.1%CVE-2026-53899MEDIUMCross-origin cookies could be leaked when opening a PDF linkEPSS 0.1%CVE-2022-42931LOWLogins saved by Firefox should be managed by the Password Manager component which uses encryption to save files on-disk. Instead, the usernaEPSS 0.1%CVE-2026-100823MEDIUMSpoofing issue in the Downloads component in Firefox for AndroidEPSS 0.1%CVE-2024-5022MEDIUMThe file scheme of URLs would be hidden, resulting in potential spoofing of a website's address in the location bar This vulnerability affecEPSS 0.1%CVE-2025-5687HIGHLocal privilege escalation vulnerability in Mozilla VPN clients for macOS v2.27.0 and below.EPSS 0.1%CVE-2026-92074HIGHMitigation bypass in the Popup Blocker componentEPSS 0.1%CVE-2026-92059CRITICALIncorrect boundary conditions in the DOM: Editor componentEPSS 0.1%CVE-2025-10859MEDIUMData stored in cookies for non-HTML content while browsing Incognito could be viewed after closing private tabsEPSS 0.1%CVE-2026-92076HIGHIncorrect boundary conditions in the Networking componentEPSS 0.1%CVE-2026-92068MEDIUMSite isolation issue in the Reader Mode componentEPSS 0.1%