| CVE-2021-38495 |
High |
Yes |
Arbitrary code execution |
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and Mozilla presumes... |
| CVE-2021-29991 |
High |
Yes |
Url request injection |
Firefox and Thunderbird before version 91.0.1 incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for... |
| CVE-2021-29987 |
Medium |
Yes |
Content spoofing |
A security issue has been found in Firefox and Thunderbird before version 91. After requesting multiple permissions, and closing the first permission panel,... |
| CVE-2021-29982 |
Low |
Yes |
Information disclosure |
A security issue has been found in Firefox and Thunderbird before version 91. Due to incorrect JIT optimization, it incorrectly interpreted data from the... |
| CVE-2021-29981 |
High |
Yes |
Arbitrary code execution |
A security issue has been found in Firefox and Thunderbird before version 91. An issue present in lowering/register allocation could have led to obscure but... |