This crash was a double-free memory corruption in the main process. It was possible to trigger it from sandboxed processes. Assuming exploitability, it could have let an attacker escape the sandbox. Avast has listed it under [https://nvd.nist.gov/vuln/detail/CVE-2022-4291](0) and Norton has published [two security advisories](https://support.norton.com/sp/static/external/tools/security-advisories.html): one listed as CVE-2022-4291, focused on the security vulnerability aspect, and one listed as NLOKSA1509, focused on the stability impact in Firefox.
Bug 1794064 Comment 18 Edit History
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This crash was a double-free memory corruption in the main process. It was possible to trigger it from sandboxed processes. Assuming exploitability, it could have let an attacker escape the sandbox. Avast has listed it under [CVE-2022-4291](https://nvd.nist.gov/vuln/detail/CVE-2022-4291) and Norton has published [two security advisories](https://support.norton.com/sp/static/external/tools/security-advisories.html): one listed as CVE-2022-4291, focused on the security vulnerability aspect, and one listed as NLOKSA1509, focused on the stability impact in Firefox.