KLA11569 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code, cause denial of service.

Below is a complete list of vulnerabilities:

1. Unspecified vulnerability can be exploited to bypass security restrictions;
2. Unspecified vulnerability can be exploited to execute arbitrary code;
3. Type-confusion vulnerability can be exploited to cause denial of service;
4. Use-after-free vulnerability can be exploited to cause denial of service;
5. Unspecified vulnerability can be exploited to cause denial of service;
6. Use-after-free vulnerability can be exploited to bypass security restrictions;

Original advisories

Advisory 2019-11

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Mozilla-Thunderbird

CVE list

CVE-2018-18506 warning

CVE-2019-9790 critical

CVE-2019-9791 critical

CVE-2019-9792 critical

CVE-2019-9793 warning

CVE-2019-9794 critical

CVE-2019-9795 critical

CVE-2019-9796 critical

CVE-2019-9801 warning

CVE-2019-9788 critical

Solution

Update to the latest version

Download Mozilla Thunderbird

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• Mozilla Thunderbird earlier than 60.6