8.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2020-6822

First published: Tue Apr 07 2020(Updated: )

Last updated 24 July 2024

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

Affected SoftwareAffected VersionHow to fix
Mozilla Thunderbird<68.7
68.7
Mozilla Firefox ESR<68.7
68.7
Mozilla Firefox<75
75
Mozilla Firefox<75.0
Mozilla Firefox ESR<68.7.0
Mozilla Thunderbird<68.7.0
debian/firefox
132.0.1-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.4.0esr-1~deb11u1
128.3.1esr-1~deb12u1
128.4.0esr-1~deb12u1
128.3.1esr-2
128.4.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u1
1:128.4.0esr-1~deb11u1
1:115.16.0esr-1~deb12u1
1:128.4.0esr-1~deb12u1
1:128.4.0esr-1
1:128.4.2esr-1

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-6822?

    CVE-2020-6822 is a vulnerability that allows an out-of-bounds write when processing large images in Mozilla Thunderbird and Firefox.

  • How does CVE-2020-6822 affect Thunderbird and Firefox?

    CVE-2020-6822 affects Thunderbird versions prior to 68.7.0 and Firefox ESR versions prior to 68.7. This vulnerability allows arbitrary code execution.

  • What is the severity of CVE-2020-6822?

    CVE-2020-6822 has a severity score of 8.8, which is considered high.

  • How can I fix CVE-2020-6822?

    To fix CVE-2020-6822, update Thunderbird to version 68.7.0 or later, and Firefox ESR to version 68.7 or later.

  • Where can I find more information about CVE-2020-6822?

    You can find more information about CVE-2020-6822 in the references provided: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1544181), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2020-12/), and [MITRE CVE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6822).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203