Mozilla Firefox ESR < 78.4.1

The version of Firefox ESR installed on the remote Windows host is prior to 78.4.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-49 advisory. - In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable...

KLA11994 Use after free vulnerability in Mozilla Thunderbird

Use after free vulnerability was found in Mozilla Thunderbird. Malicious users can exploit this vulnerability to execute arbitrary code, cause denial of service. Original advisories MFSA2020-49 Exploitation Public exploits exist for this vulnerability. Related products Mozilla-Thunderbird CVE lis...