CWE
787
Advisory Published
CVE Published
Updated

CVE-2020-15659

First published: Tue Jul 28 2020(Updated: )

Last updated 24 July 2024

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<68.11
68.11
Mozilla Firefox ESR<78.1
78.1
Mozilla Thunderbird<78.1
78.1
Mozilla Thunderbird<68.11
68.11
Mozilla Firefox<79
79
Mozilla Firefox<79.0
Mozilla Firefox ESR<68.11
Mozilla Firefox ESR>=78.0<78.1.0
Mozilla Thunderbird<68.11
Mozilla Thunderbird>=78.0.1<78.1.0
openSUSE Leap=15.1
openSUSE Leap=15.2
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
debian/firefox
132.0-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.4.0esr-1~deb11u1
115.14.0esr-1~deb12u1
128.4.0esr-1~deb12u1
128.3.1esr-2
128.4.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u1
1:115.16.0esr-1~deb11u1
1:115.12.0-1~deb12u1
1:115.16.0esr-1~deb12u1
1:128.3.2esr-1
1:128.4.0esr-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-15659?

    CVE-2020-15659 is a vulnerability in Thunderbird, Firefox, and Firefox ESR that allows for memory corruption.

  • How can this vulnerability be exploited?

    This vulnerability can be exploited by a remote attacker triggering memory corruption, potentially leading to arbitrary code execution.

  • Which versions of Thunderbird are affected?

    Thunderbird versions up to 78.1 and 68.11 are affected by CVE-2020-15659.

  • Which versions of Firefox are affected?

    Firefox versions up to 79 and Firefox ESR versions up to 68.11 are affected by CVE-2020-15659.

  • How can I fix CVE-2020-15659?

    To fix CVE-2020-15659, it is recommended to update Thunderbird to version 78.2, Firefox to version 80, and Firefox ESR to version 68.12.

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