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Mozilla

  • CVE-2026-84135

    Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.

  • CVE-2026-84140

    Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird…

  • CVE-2026-84142

    Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we…

  • CVE-2026-84141

    Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

  • CVE-2026-84143

    Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory…