CVE-2020-15683: Mozilla Firefox ESR

Mozilla Firefox ESR: Mozilla developers and community members reported memory safety bugs present in Firefox…

No CVSS scoreEPSS 0.027 · 85th percentile

Published by the CVE Program (CNA: mozilla) at 22 Oct 2020, 20:32 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	Firefox ESR	affected unspecified to before 78.4 custom
Mozilla	Firefox	affected unspecified to before 82 custom
Mozilla	Thunderbird	affected unspecified to before 78.4 custom

Identifiers

CVE-2020-15683

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 0.027, the 85th 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 22 Oct 2020. New records show when each source confirmed them.

Sources

References from the CNA

www.mozilla.org/security/advisories/mfsa2020-45/
www.mozilla.org/security/advisories/mfsa2020-47/
www.mozilla.org/security/advisories/mfsa2020-46/
bugzilla.mozilla.org/buglist.cgi?bug_id=1576843%2C1656987%2C1660954%2C1662760%2C1663439%2C1666140
lists.opensuse.org/opensuse-security-announce/2020-10/msg00057.html vendor-advisorysuse
www.debian.org/security/2020/dsa-4780 vendor-advisorydebian
lists.opensuse.org/opensuse-security-announce/2020-10/msg00062.html vendor-advisorysuse
lists.debian.org/debian-lts-announce/2020/10/msg00027.html mailing-listmlist
security.gentoo.org/glsa/202010-08 vendor-advisorygentoo
lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html vendor-advisorysuse
lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html vendor-advisorysuse

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.