Severity
High
Analysis Summary
CVE-2020-26950
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by the failure to account for write side effects in MCallGetProperty opcode. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to trigger a use-after-free error and execute arbitrary code on the vulnerable system or cause a denial of service.
Impact
- Denial of service
- Arbitrary code
Affected Vendors
Mozilla
Affected Products
- Mozilla Firefox 82.0.2
- Mozilla Firefox ESR 78.4
Remediation
Refer to Mozilla Foundation Security Advisory 2020-49 for patch, upgrade or suggested workaround information.