CVE-2020-6822
First published: Tue Apr 07 2020(Updated: )
Last updated 24 July 2024
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How 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 | 133.0.3-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.5.0esr-1~deb11u1 128.3.1esr-1~deb12u1 128.5.0esr-1~deb12u1 128.5.0esr-1 128.5.1esr-1 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.5.0esr-1~deb11u1 1:115.16.0esr-1~deb12u1 1:128.5.0esr-1~deb12u1 1:128.5.2esr-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1544181
- https://www.mozilla.org/security/advisories/mfsa2020-12/
- https://www.mozilla.org/security/advisories/mfsa2020-13/
- https://www.mozilla.org/security/advisories/mfsa2020-14/
- https://usn.ubuntu.com/4335-1/
- https://launchpad.net/bugs/cve/CVE-2020-6822
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-14/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-13/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-12/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-12/#CVE-2020-6826
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-14/#CVE-2020-6822
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-13/#CVE-2020-6822
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-12/#CVE-2020-6822
- https://security-tracker.debian.org/tracker/CVE-2020-6822
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6822
- https://nvd.nist.gov/vuln/detail/CVE-2020-6822
- https://ubuntu.com/security/CVE-2020-6822
Peer vulnerabilities
(Found alongside the following vulnerabilities)
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).
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