CVE-2018-5161

Description

Crafted message headers can cause a Thunderbird process to hang on receiving the message. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8.

Category

4.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.23% Top 25%
Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:1726 third party advisory vendor advisory
https://security.gentoo.org/glsa/201811-13 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2018-13/ vendor advisory
https://usn.ubuntu.com/3660-1/ third party advisory vendor advisory
http://www.securitytracker.com/id/1040946 vdb entry third party advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2018:1725 third party advisory vendor advisory
https://www.debian.org/security/2018/dsa-4209 third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1411720 issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2018-5161?
CVE-2018-5161 has been scored as a medium severity vulnerability.
How to fix CVE-2018-5161?
To fix CVE-2018-5161, 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-2018-5161 being actively exploited in the wild?
It is possible that CVE-2018-5161 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5161?
CVE-2018-5161 affects Mozilla Thunderbird ESR, Mozilla Thunderbird.
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