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MFSA2020-29 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78 (CVE-2020-12420)

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MFSA2020-29 Thunderbird: Security Vulnerabilities fixed in Thunderbird 78 (CVE-2020-12420)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
06/30/2020
Created
07/07/2020
Added
07/06/2020
Modified
06/14/2024

Description

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.

Solution(s)

  • mozilla-thunderbird-upgrade-78_0

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