High severity8.3NVD Advisory· Published Jul 23, 2019· Updated Jun 17, 2026

CVE-2019-9811

Description

As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

102

Mozilla Corporation/Firefox5 versions
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <68.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <60.8
- (no CPE)range: <60.8
- (no CPE)range: unspecified
- (no CPE)range: unspecified
Mozilla Corporation/Thunderbird3 versions
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <60.8
- (no CPE)range: <60.8
- (no CPE)range: unspecified
Novell/Suse Package Hub For Suse Linux Enterprise
cpe:2.3:a:novell:suse_package_hub_for_suse_linux_enterprise:12:*:*:*:*:*:*:*
Debian/linux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
OpenSUSE/Leap2 versions
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
osv-coords90 versions
pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.0 pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.0 pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1 pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Leap%2015.0 pkg:rpm/opensuse/mozilla-nss&distro=openSUSE%20Leap%2015.1 pkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Enterprise%20Storage%205 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208 pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015 pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1 pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Package%20Hub%2012 pkg:rpm/suse/firefox-atk&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/firefox-cairo&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/firefox-gdk-pixbuf&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/firefox-glib2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/firefox-gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/firefox-harfbuzz&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/firefox-libffi&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/firefox-pango&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/mozilla-nss&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Enterprise%20Storage%205 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP1 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208
< 68.1.0-lp150.3.66.1+ 89 more
- (no CPE)range: < 68.1.0-lp150.3.66.1
- (no CPE)range: < 60.8.0-lp151.2.10.1
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 60.8.0-lp151.2.10.1
- (no CPE)range: < 60.8.0-lp151.2.10.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 3.44.1-lp150.2.24.1
- (no CPE)range: < 3.44.1-lp151.2.3.1
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-3.51.4
- (no CPE)range: < 60.8.0-3.51.4
- (no CPE)range: < 60.8.0esr-78.43.2
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 68.1.0-109.89.1
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 68.1.0-109.89.1
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 68.1.0-109.89.1
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 60.8.0-109.83.3
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-4.8.5
- (no CPE)range: < 68-4.8.5
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-32.8.1
- (no CPE)range: < 68-21.9.8
- (no CPE)range: < 60.8.0-3.46.2
- (no CPE)range: < 60.8.0-3.46.2
- (no CPE)range: < 60.8.0-88.1
- (no CPE)range: < 2.26.1-2.8.4
- (no CPE)range: < 1.15.10-2.13.4
- (no CPE)range: < 2.36.11-2.8.4
- (no CPE)range: < 2.54.3-2.14.7
- (no CPE)range: < 3.10.9-2.15.3
- (no CPE)range: < 1.7.5-2.7.4
- (no CPE)range: < 3.2.1.git259-2.3.3
- (no CPE)range: < 5.3.1+r233831-14.1
- (no CPE)range: < 1.40.14-2.7.4
- (no CPE)range: < 4.21-29.6.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-3.16.2
- (no CPE)range: < 3.44.1-3.16.2
- (no CPE)range: < 3.44.1-3.16.2
- (no CPE)range: < 3.45-38.9.3
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1
- (no CPE)range: < 3.44.1-58.28.1

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingPatchVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingVendor Advisory
lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlnvdThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlnvdThird Party Advisory
lists.debian.org/debian-lts-announce/2019/08/msg00001.htmlnvdMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2019/08/msg00002.htmlnvdMailing ListThird Party Advisory
security.gentoo.org/glsa/201908-12nvdThird Party Advisory
security.gentoo.org/glsa/201908-20nvdThird Party Advisory
www.mozilla.org/security/advisories/mfsa2019-21/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2019-22/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2019-23/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required

News mentions

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cvss	0.540
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000