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mozjs91 vulnerabilities · Page 39

Vulnerabilities published for mozjs91 in the last 30 days: 257. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1327

  1. CVE-2026-2634

    Critical · CVSS 9.8EPSS 0.36%No fix published

    Spoofed web content presented under trusted domains using scripted navigation on Firefox iOS

    Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-controlled pages to be presented under spoofed domains. This vulnerability was fixed in Firefox for iOS 147.4.

    Published Updated
  2. CVE-2026-2793

    Critical · CVSS 9.8EPSS 0.38%No fix published

    Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148

    Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

    Published Updated
  3. CVE-2026-2792

    Critical · CVSS 9.8EPSS 0.38%No fix published

    Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148

    Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

    Published Updated
  4. CVE-2026-2776

    Critical · CVSS 10EPSS 0.56%No fix published

    Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software

    Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

    Published Updated

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