CVE-2019-11706

Description

A flaw in Thunderbird's implementation of iCal causes a type confusion in icaltimezone_get_vtimezone_properties when processing certain email messages, resulting in a crash. This vulnerability affects Thunderbird < 60.7.1.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.09% Top 15%
Vendor Advisory gentoo.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2019-17/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1555646 issue tracking permissions required vendor advisory
https://security.gentoo.org/glsa/201908-20 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11706?
CVE-2019-11706 has been scored as a high severity vulnerability.
How to fix CVE-2019-11706?
To fix CVE-2019-11706, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11706 being actively exploited in the wild?
It is possible that CVE-2019-11706 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-11706?
CVE-2019-11706 affects Mozilla Thunderbird.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.