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    CVE-2019-11717

    A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

    Published:Jul 10, 2019
    Last Modified:Nov 25, 2025
    EPS:Jul 23, 2019
    EPSS Score:0.0375
    CVSS Score:5.3

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Thunderbird
    Vendor
    Novell
    Product
    Suse Package Hub For Suse Linux Enterprise
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://bugzilla.mozilla.org/show_bug.cgi?id=1548306https://bugzilla.mozilla.org/show_bug.cgi?id=1548306

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
    https://bugzilla.mozilla.org/show_bug.cgi?id=1548306
    https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html
    https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html
    https://security.gentoo.org/glsa/201908-12
    https://security.gentoo.org/glsa/201908-20
    https://www.mozilla.org/security/advisories/mfsa2019-21/
    https://www.mozilla.org/security/advisories/mfsa2019-22/
    https://www.mozilla.org/security/advisories/mfsa2019-23/
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
    https://bugzilla.mozilla.org/show_bug.cgi?id=1548306
    https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html
    https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html
    https://security.gentoo.org/glsa/201908-12
    https://security.gentoo.org/glsa/201908-20
    https://www.mozilla.org/security/advisories/mfsa2019-21/
    https://www.mozilla.org/security/advisories/mfsa2019-22/
    https://www.mozilla.org/security/advisories/mfsa2019-23/

    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