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Vulnerability
CVE-2019-9820
Published:
2019-07-23
Description:
A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Type:
CWE-416
(Use After Free)
CVSS2
=> (AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Mozilla
->
Firefox
Mozilla
->
Firefox esr
Mozilla
->
Thunderbird
References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1536405
https://www.mozilla.org/security/advisories/mfsa2019-13/
https://www.mozilla.org/security/advisories/mfsa2019-14/
https://www.mozilla.org/security/advisories/mfsa2019-15/
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