Use After Free Affecting thunderbird package, versions <1:68.10.0-1~deb10u1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.73% (81st
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-THUNDERBIRD-575316
- published 1 Jul 2020
- disclosed 9 Jul 2020
Introduced: 1 Jul 2020
CVE-2020-12420 Open this link in a new tabHow to fix?
Upgrade Debian:10
thunderbird
to version 1:68.10.0-1~deb10u1 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:10
relevant fixed versions and status.
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.