CVE-2019-9797: Mozilla Firefox

Affected products, as the CNA wrote them
Vendor	Product	Versions
Mozilla	Firefox	affected unspecified to before 66 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

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

CISA KEV Not listed.
EPSS 0.011, the 66th percentile, on 14 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

www.mozilla.org/security/advisories/mfsa2019-07/
bugzilla.mozilla.org/show_bug.cgi?id=1528909
seclists.org/bugtraq/2019/May/56 mailing-listbugtraq
seclists.org/bugtraq/2019/May/59 mailing-listbugtraq
www.debian.org/security/2019/dsa-4448 vendor-advisorydebian
lists.debian.org/debian-lts-announce/2019/05/msg00032.html mailing-listmlist
access.redhat.com/errata/RHSA-2019:1265 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2019:1267 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2019:1269 vendor-advisoryredhat
www.debian.org/security/2019/dsa-4451 vendor-advisorydebian
seclists.org/bugtraq/2019/May/67 mailing-listbugtraq
lists.debian.org/debian-lts-announce/2019/05/msg00038.html mailing-listmlist
usn.ubuntu.com/3997-1/ vendor-advisoryubuntu
lists.opensuse.org/opensuse-security-announce/2019-06/msg00002.html vendor-advisorysuse
access.redhat.com/errata/RHSA-2019:1310 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2019:1308 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2019:1309 vendor-advisoryredhat
lists.opensuse.org/opensuse-security-announce/2019-06/msg00029.html vendor-advisorysuse
lists.opensuse.org/opensuse-security-announce/2019-06/msg00084.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.