High severity8.8NVD Advisory· Published Jan 8, 2020· Updated Jun 17, 2026
CVE-2019-11758
CVE-2019-11758
Description
Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
57cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <69.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <68.2
- (no CPE)range: <69
- (no CPE)range: before 68.2
- (no CPE)range: before 69
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <68.2
- (no CPE)range: <68.2
- (no CPE)range: before 68.2
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- osv-coords48 versionspkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox-branding-openSUSE&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/MozillaFirefox-branding-openSUSE&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr-branding-openSUSE&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/firefox-esr-branding-openSUSE&distro=openSUSE%20Leap%2015.1pkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1pkg:rpm/suse/firefox-atk&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-cairo&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-gdk-pixbuf&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-glib2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-harfbuzz&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-libffi&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-pango&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS
< 68.2.0-lp150.3.71.1+ 47 more
- (no CPE)range: < 68.2.0-lp150.3.71.1
- (no CPE)range: < 68.2.0-lp151.2.18.2
- (no CPE)range: < 68-lp150.3.3.1
- (no CPE)range: < 68-lp151.3.3.1
- (no CPE)range: < 68.2.1-lp150.3.54.1
- (no CPE)range: < 68.2.1-lp151.2.16.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 68-lp150.3.3.1
- (no CPE)range: < 68-lp151.3.3.1
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-3.59.1
- (no CPE)range: < 68.2.0-3.59.1
- (no CPE)range: < 68.2.0-78.51.4
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68-4.11.2
- (no CPE)range: < 68-4.11.2
- (no CPE)range: < 68-21.9.8
- (no CPE)range: < 68.2.1-3.58.1
- (no CPE)range: < 68.2.1-3.58.1
- (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: < 3.45-38.9.3
Patches
Vulnerability mechanics
References
5- bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingVendor Advisory
- usn.ubuntu.com/4335-1/nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2019-25/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2019-33/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2019-35/nvdVendor Advisory
News mentions
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