Medium severity6.1NVD Advisory· Published Jan 8, 2020· Updated Jun 17, 2026
CVE-2019-17016
CVE-2019-17016
Description
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
33<68.4+ 2 more
- (no CPE)range: <68.4
- (no CPE)range: before 72
- (no CPE)range: before 68.4
- osv-coords30 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&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%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/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1
< 128.5.1-1.1+ 29 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 68.4.1-lp151.2.24.1
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 68.4.1-lp151.2.22.2
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-3.66.1
- (no CPE)range: < 68.4.1-3.66.1
- (no CPE)range: < 68.4.1-78.57.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-109.101.1
- (no CPE)range: < 68.4.1-3.66.1
- (no CPE)range: < 68.4.1-3.66.1
Patches
Vulnerability mechanics
References
25- access.redhat.com/errata/RHSA-2020:0085nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2020:0086nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/01/msg00005.htmlnvdMailing ListThird Party Advisory
- seclists.org/bugtraq/2020/Jan/12nvdMailing ListThird Party Advisory
- seclists.org/bugtraq/2020/Jan/18nvdMailing ListThird Party Advisory
- usn.ubuntu.com/4234-1/nvdThird Party Advisory
- www.debian.org/security/2020/dsa-4600nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2020-01/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-02/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdPermissions Required
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.htmlnvd
- packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.htmlnvd
- access.redhat.com/errata/RHSA-2020:0111nvd
- access.redhat.com/errata/RHSA-2020:0120nvd
- access.redhat.com/errata/RHSA-2020:0123nvd
- access.redhat.com/errata/RHSA-2020:0127nvd
- access.redhat.com/errata/RHSA-2020:0292nvd
- access.redhat.com/errata/RHSA-2020:0295nvd
- lists.debian.org/debian-lts-announce/2020/01/msg00016.htmlnvd
- seclists.org/bugtraq/2020/Jan/26nvd
- security.gentoo.org/glsa/202003-02nvd
- usn.ubuntu.com/4241-1/nvd
- usn.ubuntu.com/4335-1/nvd
- www.debian.org/security/2020/dsa-4603nvd
News mentions
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