Use After Free Affecting thunderbird package, versions <1:68.7.0-1
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
Exploit Maturity
Mature
EPSS
2.36% (90th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-THUNDERBIRD-565126
- published 3 Apr 2020
- disclosed 24 Apr 2020
Introduced: 3 Apr 2020
CVE-2020-6819 Open this link in a new tabHow to fix?
Upgrade Debian:11
thunderbird
to version 1:68.7.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream thunderbird
package and not the thunderbird
package as distributed by Debian
.
See How to fix?
for Debian:11
relevant fixed versions and status.
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.