CVE-2018-18509: Mozilla Thunderbird

Mozilla Thunderbird: A flaw during verification of certain S/MIME signatures causes emails to be shown in…

No CVSS scoreEPSS 0.017 · 77th percentile

Published by the CVE Program (CNA: mozilla) at 26 Apr 2019, 16:13 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Mozilla	Thunderbird	affected unspecified to before 60.5.1 custom

Identifiers

CVE-2018-18509

CNA

mozilla

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.017, the 77th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 26 Apr 2019. New records show when each source confirmed them.

Sources

References from the CNA

lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.html vendor-advisorysuse
www.mozilla.org/security/advisories/mfsa2019-06/
bugzilla.mozilla.org/show_bug.cgi?id=1507218
www.openwall.com/lists/oss-security/2019/04/30/4 mailing-listmlist
seclists.org/fulldisclosure/2019/Apr/38 mailing-listfulldisc
packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
access.redhat.com/errata/RHSA-2019:1144 vendor-advisoryredhat
github.com/RUB-NDS/Johnny-You-Are-Fired
github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.