CVE-2018-5161

moderate-risk
Published 2018-06-11

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.

Do I need to act?

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0.92% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (19)

Affected Vendors

Debian Redhat Mozilla Canonical

References (18)

Third Party Advisory http://www.securitytracker.com/id/1040946
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1725
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1726
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1411720
Mailing List https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html
Third Party Advisory https://security.gentoo.org/glsa/201811-13
Third Party Advisory https://usn.ubuntu.com/3660-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4209
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-13/
Third Party Advisory http://www.securitytracker.com/id/1040946
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1725
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1726
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1411720
Mailing List https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html
Third Party Advisory https://security.gentoo.org/glsa/201811-13
Third Party Advisory https://usn.ubuntu.com/3660-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4209
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2018-13/
40
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 3/34 · Minimal
Exposure 19/34 · Moderate