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    CVE-2019-17016

    When pasting a &lt;style&gt; 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.

    Published:Jan 7, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 8, 2020
    EPSS Score:0.01834
    CVSS Score:6.1

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Esr
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Rhel E4s

    Exploits

    No exploit reference

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
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    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html
    http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html
    https://access.redhat.com/errata/RHSA-2020:0085
    https://access.redhat.com/errata/RHSA-2020:0086
    https://access.redhat.com/errata/RHSA-2020:0111
    https://access.redhat.com/errata/RHSA-2020:0120
    https://access.redhat.com/errata/RHSA-2020:0123
    https://access.redhat.com/errata/RHSA-2020:0127
    https://access.redhat.com/errata/RHSA-2020:0292
    https://access.redhat.com/errata/RHSA-2020:0295
    https://bugzilla.mozilla.org/show_bug.cgi?id=1599181
    https://lists.debian.org/debian-lts-announce/2020/01/msg00005.html
    https://lists.debian.org/debian-lts-announce/2020/01/msg00016.html
    https://seclists.org/bugtraq/2020/Jan/12
    https://seclists.org/bugtraq/2020/Jan/18
    https://seclists.org/bugtraq/2020/Jan/26
    https://security.gentoo.org/glsa/202003-02
    https://usn.ubuntu.com/4234-1/
    https://usn.ubuntu.com/4241-1/
    https://usn.ubuntu.com/4335-1/
    https://www.debian.org/security/2020/dsa-4600
    https://www.debian.org/security/2020/dsa-4603
    https://www.mozilla.org/security/advisories/mfsa2020-01/
    https://www.mozilla.org/security/advisories/mfsa2020-02/
    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html
    http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html
    https://access.redhat.com/errata/RHSA-2020:0085
    https://access.redhat.com/errata/RHSA-2020:0086
    https://access.redhat.com/errata/RHSA-2020:0111
    https://access.redhat.com/errata/RHSA-2020:0120
    https://access.redhat.com/errata/RHSA-2020:0123
    https://access.redhat.com/errata/RHSA-2020:0127
    https://access.redhat.com/errata/RHSA-2020:0292
    https://access.redhat.com/errata/RHSA-2020:0295
    https://bugzilla.mozilla.org/show_bug.cgi?id=1599181
    https://lists.debian.org/debian-lts-announce/2020/01/msg00005.html
    https://lists.debian.org/debian-lts-announce/2020/01/msg00016.html
    https://seclists.org/bugtraq/2020/Jan/12
    https://seclists.org/bugtraq/2020/Jan/18
    https://seclists.org/bugtraq/2020/Jan/26
    https://security.gentoo.org/glsa/202003-02
    https://usn.ubuntu.com/4234-1/
    https://usn.ubuntu.com/4241-1/
    https://usn.ubuntu.com/4335-1/
    https://www.debian.org/security/2020/dsa-4600
    https://www.debian.org/security/2020/dsa-4603
    https://www.mozilla.org/security/advisories/mfsa2020-01/
    https://www.mozilla.org/security/advisories/mfsa2020-02/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High