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Multiple Vulnerabilities in Mozilla Products Could Allow for Arbitrary Code Execution

ID: 090adc8d-8436-5dc8-b35b-7bfe12675731

STIX ID: report--090adc8d-8436-5dc8-b35b-7bfe12675731

Feed Name: CISecurity.org Advisories

Threat Score
70/100

Date Published: 2026-04-07

Date Updated: 2026-04-27

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**Executive summary:** Multiple memory-safety and graphics-related vulnerabilities (CVE-2026-5731, CVE-2026-5734, CVE-2026-5735, CVE-2026-5732, CVE-2026-5733) were fixed in Firefox and Thunderbird releases and ESR builds; the most severe could permit arbitrary code execution, allowing attackers to install programs, view/change/delete data, or create accounts depending on user privileges.

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