CVE-2016-9079: Mozilla Firefox

Use after free in Mozilla Firefox and others

CVSS 7.5 HighCriticalIn CISA KEVEPSS 0.87 · 99th percentile

Critical, because:

In CISA’s KEV catalogue since 22 Jun 2023: it is known to be exploited.
CVSS score 7.5 (7.0 or more) and EPSS 0.87 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: mozilla) at 11 Jun 2018, 21:00 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	affected unspecified to before 50.0.2 custom
Mozilla	Firefox ESR	affected unspecified to before 45.5.1 custom
Mozilla	Thunderbird	affected unspecified to before 45.5.1 custom

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

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	ADP (CISA-ADP)

CISA KEV Listed since 22 Jun 2023: known to be exploited.
EPSS 0.87, the 99th percentile, on 9 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 11 Jun 2018. New records show when each source confirmed them.

Sources

References from the CNA

www.debian.org/security/2016/dsa-3730 vendor-advisorydebian
rhn.redhat.com/errata/RHSA-2016-2843.html vendor-advisoryredhat
security.gentoo.org/glsa/201701-35 vendor-advisorygentoo
www.securitytracker.com/id/1037370 vdb-entrysectrack
rhn.redhat.com/errata/RHSA-2016-2850.html vendor-advisoryredhat
www.mozilla.org/security/advisories/mfsa2016-92/ confirm
www.securityfocus.com/bid/94591 vdb-entrybid
security.gentoo.org/glsa/201701-15 vendor-advisorygentoo
bugzilla.mozilla.org/show_bug.cgi?id=1321066 confirm
www.exploit-db.com/exploits/42327/ exploitexploit-db
www.exploit-db.com/exploits/41151/ exploitexploit-db

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.