USN-6563-1

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    USN-6563-1

    Published: 2 Jan 2024Last Modified: 22 Apr 2026

    Summary: thunderbird vulnerabilities

    Details: Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code.(CVE-2023-6857, CVE-2023-6858, CVE-2023-6859, CVE-2023-6861, CVE-2023-6862, CVE-2023-6863, CVE-2023-6864) Marcus Brinkmann discovered that Thunderbird did not properly parse a PGP/MIME payload that contains digitally signed text. An attacker could potentially exploit this issue to spoof an email message. (CVE-2023-50762) Marcus Brinkmann discovered that Thunderbird did not properly compare the signature creation date with the message date and time when using digitally signed S/MIME email message. An attacker could potentially exploit this issue to spoof date and time of an email message. (CVE-2023-50761) DoHyun Lee discovered that Thunderbird did not properly manage memory when used on systems with the Mesa VM driver. An attacker could potentially exploit this issue to execute arbitrary code. (CVE-2023-6856) Andrew Osmond discovered that Thunderbird did not properly validate the textures produced by remote decoders. An attacker could potentially exploit this issue to escape the sandbox. (CVE-2023-6860)

    Affected packages

    Package

    Name: thunderbird

    Purl: pkg:deb/ubuntu/thunderbird@1:115.6.0+build2-0ubuntu0.20.04.1?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:115.6.0+build2-0ubuntu0.20.04.1

    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
    USN-6563-1 | CVE-DB