CVE-2019-17008: Mozilla Thunderbird

When using nested workers, a use-after-free could occur during worker destruction.

No CVSS scoreEPSS 0.019 · 79th percentile

Published by the CVE Program (CNA: mozilla) at 8 Jan 2020, 21:17 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 before 68.3
Mozilla	Firefox ESR	affected before 68.3
Mozilla	Firefox	affected before 71

Identifiers

CVE-2019-17008

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 0.019, the 79th percentile, on 8 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 8 Jan 2020. New records show when each source confirmed them.

Sources

References from the CNA

bugzilla.mozilla.org/show_bug.cgi?id=1546331
www.mozilla.org/security/advisories/mfsa2019-36/ confirm
www.mozilla.org/security/advisories/mfsa2019-38/ confirm
www.mozilla.org/security/advisories/mfsa2019-37/ confirm
lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html vendor-advisorysuse
lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html vendor-advisorysuse
usn.ubuntu.com/4241-1/ vendor-advisoryubuntu
access.redhat.com/errata/RHSA-2020:0292 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2020:0295 vendor-advisoryredhat
security.gentoo.org/glsa/202003-02 vendor-advisorygentoo
security.gentoo.org/glsa/202003-10 vendor-advisorygentoo
usn.ubuntu.com/4335-1/ vendor-advisoryubuntu

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.