CVE Feed

    Dashboard / CVE / CVE-2019-11721

    CVE-2019-11721

    The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar. This allows for domain spoofing attacks as do not display as punycode text, allowing for user confusion. This vulnerability affects Firefox < 68.

    Published:Jul 9, 2019
    Last Modified:Nov 21, 2024
    EPS:Jul 23, 2019
    EPSS Score:0.00572
    CVSS Score:6.5

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    https://bugzilla.mozilla.org/show_bug.cgi?id=1256009https://bugzilla.mozilla.org/show_bug.cgi?id=1256009

    Common Weakness Enumeration

    CWE-172 Encoding Error

    Related CVEs

    CVE-2026-84144 (CVSS 7.5) — Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence…
    CVE-2026-84143 (CVSS 9.8) — Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of th…
    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
    CVE-2026-84141 (CVSS 9.8) — Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR…
    CVE-2026-84140 (CVSS 9.8) — Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ES…
    CVE-2026-84139 (CVSS 6.1) — Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.…
    CVE-2026-84138 (CVSS 6.5) — Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155…
    CVE-2026-84137 (CVSS 4.3) — Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153…
    CVE-2026-84136 (CVSS 6.1) — Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, …
    CVE-2026-84135 (CVSS 9.8) — Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.…

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
    https://bugzilla.mozilla.org/show_bug.cgi?id=1256009
    https://security.gentoo.org/glsa/201908-12
    https://www.mozilla.org/security/advisories/mfsa2019-21/
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
    https://bugzilla.mozilla.org/show_bug.cgi?id=1256009
    https://security.gentoo.org/glsa/201908-12
    https://www.mozilla.org/security/advisories/mfsa2019-21/

    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