MFSA2020-56 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78.6 (CVE-2020-26974)
7
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
12/15/2020
12/16/2020
12/16/2020
01/14/2021
Description
When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Solution(s)
- mozilla-thunderbird-upgrade-78_6
Advanced vulnerability management analytics and reporting.
Key Features
- Lightweight Endpoint Agent
- Live Dashboards
- Real Risk Prioritization
- IT-Integrated Remediation Projects
- Cloud, Virtual, and Container Assessment
- Integrated Threat Feeds
- Easy-to-Use RESTful API
- Automation-Assisted Patching
- Automated Containment
With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.
– Scott Cheney, Manager of Information Security, Sierra View Medical Center