Multiple vulnerabilities in Mozilla Thunderbird

Description

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, obtain sensitive information, perform cross-site scripting attack.

Below is a complete list of vulnerabilities:

1. A memory corruption vulnerability can be exploited to execute arbitrary code.
2. A null pointer dereference vulnerability can be exploited to cause denial of service.
3. Passwords disclosure vulnerability can be exploited to obtain sensitive information.
4. Bypass security vulnerability can be exploited to execute arbitrary code only on Mac OSX.
5. Read-operation memory vulnerability can be exploited to cause denial of service.
6. Cross-site scripting vulnerability can be exploited remotely to perform cross-site scripting attacks.
7. Uninitialized memory vulnerability can be exploited to cause denial of service.

Original advisories

• mfsa2020-07

Exploitation

Public exploits exist for this vulnerability.

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2020-6800
  critical
• CVE-2020-6797
  warning
• CVE-2020-6798
  high
• CVE-2020-6795
  high
• CVE-2020-6794
  high
• CVE-2020-6793
  high
• CVE-2020-6792
  warning

Read more

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