UBUNTU-CVE-2023-5732

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    UBUNTU-CVE-2023-5732

    Published: 25 Oct 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-5732
    Aliases:
    USN-6468-1

    Summary:

    Details: An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

    References: https://ubuntu.com/security/CVE-2023-5732, https://www.mozilla.org/en-US/security/advisories/mfsa2023-46/#CVE-2023-5732, https://www.mozilla.org/en-US/security/advisories/mfsa2023-47/#CVE-2023-5732, https://bugzilla.mozilla.org/show_bug.cgi?id=1690979, https://bugzilla.mozilla.org/show_bug.cgi?id=1836962, https://www.mozilla.org/security/advisories/mfsa2023-34/, https://www.mozilla.org/security/advisories/mfsa2023-46/, https://www.mozilla.org/security/advisories/mfsa2023-47/, https://ubuntu.com/security/notices/USN-6468-1, https://www.cve.org/CVERecord?id=CVE-2023-5732

    Affected packages

    Package

    Name: thunderbird

    Purl: pkg:deb/ubuntu/thunderbird@1:115.4.1+build1-0ubuntu0.20.04.1?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:115.4.1+build1-0ubuntu0.20.04.1

    Affected versions

    1:68.1.2+build1-0ubuntu1
    1:68.1.2+build1-0ubuntu2

    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
    UBUNTU-CVE-2023-5732 | CVE-DB