Critical severity10.0NVD Advisory· Published May 26, 2020· Updated Jun 17, 2026
CVE-2020-12388
CVE-2020-12388
Description
The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8 and Firefox < 76.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
27<68.8, <76+ 2 more
- (no CPE)range: <68.8, <76
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- osv-coords24 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg: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%208
< 128.5.1-1.1+ 23 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 68.8.0-lp151.2.45.1
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-3.87.1
- (no CPE)range: < 68.8.0-78.73.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
- (no CPE)range: < 68.8.0-109.119.1
Patches
Vulnerability mechanics
References
4- packetstormsecurity.com/files/157860/Firefox-Default-Content-Process-DACL-Sandbox-Escape.htmlnvdThird Party AdvisoryVDB Entry
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-16/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-17/nvdVendor Advisory
News mentions
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