CVE-2019-9811

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    CVE-2019-9811

    Published: 23 Jul 2019Last Modified: 16 Apr 2026

    Summary:

    Details: As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

    References: https://security.gentoo.org/glsa/201908-12, http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html, http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html, https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html, https://security.gentoo.org/glsa/201908-20, https://www.mozilla.org/security/advisories/mfsa2019-23/, http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html, http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html, https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html, https://www.mozilla.org/security/advisories/mfsa2019-21/, https://www.mozilla.org/security/advisories/mfsa2019-22/, http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html, https://bugzilla.mozilla.org/show_bug.cgi?id=1538007, https://bugzilla.mozilla.org/show_bug.cgi?id=1563327, https://bugzilla.mozilla.org/show_bug.cgi?id=1539598

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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