CVE-2020-6793 Information disclosure in Thunderbird
An attacker can read random memory data by sending an email with an ill-formed envelope to a Thunderbird user.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-6793?
CVE-2020-6793 is a medium-severity vulnerability in Mozilla Thunderbird, published on 2 Mar 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. This vulnerability affects Thunderbird < 68.5.
Weakness: CWE-908
Which versions are affected by CVE-2020-6793?
It affects 1 product.
Products include Mozilla Thunderbird.
How do I fix CVE-2020-6793?
Upgrade to a fixed version.
Is CVE-2020-6793 being exploited?
There is no known exploitation of CVE-2020-6793 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Thunderbird
Sources
Also known as DEBIAN-CVE-2020-6793, GHSA-2g5q-49cr-4f7j, UBUNTU-CVE-2020-6793.