Vulnerabilidades en Mozilla

2105 resultados
Análisis Vexday

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-2023-37456—The session restore helper crashed whenever there was no parameter sent to the message handler. This vulnerability affects Firefox for iOS <EPSS 0.5%CVE-2026-4691CRITICALUse-after-free in the CSS Parsing and Computation componentEPSS 0.5%CVE-2021-23980MEDIUMA mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscripEPSS 0.5%CVE-2026-74941HIGHPrivilege escalation in the Graphics: CanvasWebGL componentEPSS 0.5%CVE-2025-4093HIGHMemory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10EPSS 0.5%CVE-2026-4696CRITICALUse-after-free in the Layout: Text and Fonts componentEPSS 0.5%CVE-2026-0891HIGHMemory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147EPSS 0.5%CVE-2026-2807CRITICALMemory safety bugs fixed in Firefox 148 and Thunderbird 148EPSS 0.5%CVE-2025-54143CRITICALSandboxed iframes could allow local downloads despite sandbox restrictionsEPSS 0.5%CVE-2020-15682—When a link to an external protocol was clicked, a prompt was presented that allowed the user to choose what application to open it in. An aEPSS 0.5%CVE-2026-0877HIGHMitigation bypass in the DOM: Security componentEPSS 0.5%CVE-2026-74959CRITICALMitigation bypass in the Storage: Cache API componentEPSS 0.5%CVE-2025-1942CRITICALDisclosure of uninitialized memory when .toUpperCase() causes string to get longerEPSS 0.5%CVE-2021-23992—Thunderbird did not check if the user ID associated with an OpenPGP key has a valid self signature. An attacker may create a crafted versionEPSS 0.5%CVE-2024-1555HIGHWhen opening a website using the `firefox://` protocol handler, SameSite cookies were not properly respected. This vulnerability affects FirEPSS 0.5%CVE-2024-11700HIGHMalicious websites may have been able to perform user intent confirmation through tapjacking. This could have led to users unknowingly approEPSS 0.5%CVE-2022-46884—A potential use-after-free vulnerability existed in SVG Images if the Refresh Driver was destroyed at an inopportune time. This could have EPSS 0.5%CVE-2026-74969HIGHUse-after-free in the Layout: Text and Fonts componentEPSS 0.5%CVE-2026-2794MEDIUMInformation disclosure due to uninitialized memory in Firefox and Firefox Focus for AndroidEPSS 0.5%CVE-2026-12328HIGHMemory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152EPSS 0.5%