CVE-2018-18513

Description

A crash can occur when processing a crafted S/MIME message or an XPI package containing a crafted signature. This can be used as a denial-of-service (DOS) attack because Thunderbird reopens the last seen message on restart, triggering the crash again. This vulnerability affects Thunderbird < 60.5.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.40%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2019-03/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1533300 vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2018-18513?
CVE-2018-18513 has been scored as a high severity vulnerability.
How to fix CVE-2018-18513?
To fix CVE-2018-18513, 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-2018-18513 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-18513 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-18513?
CVE-2018-18513 affects Mozilla Thunderbird.
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