Aggregates CVE and security vulnerability intelligence across all Mozilla-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Historical issues mainly involve vendor risk path handling and vendor risk input validation and related problems; some flaws may lead to vendor impact unexpected behavior, affecting vendor surface production workloads scenarios.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2026-8970 | Privilege escalation in the Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.8 | 0.31% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8969 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 8.1 | 0.29% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8968 | 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. | [email protected] | 7.5 | 0.41% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8967 | Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.33% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8966 | Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.33% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8965 | Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.32% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8964 | Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.30% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8963 | Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.30% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8962 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.1 | 0.37% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8961 | Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 6.5 | 0.32% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8960 | Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 7.5 | 0.38% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8959 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 9.6 | 0.42% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8958 | Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.6 | 0.34% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8957 | Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.8 | 0.39% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8956 | Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 9.8 | 0.60% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8955 | Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 8.8 | 0.39% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8954 | Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 7.5 | 0.43% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8953 | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | [email protected] | 9.6 | 0.53% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8952 | Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | [email protected] | 8.8 | 0.36% | 2026-05-19 | 2026-06-17 |
| CVE-2026-8951 | Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151. | [email protected] | 6.5 | 0.25% | 2026-05-19 | 2026-06-17 |