CVE-2020-12406
First published: Tue Jun 02 2020(Updated: )
Last updated 24 July 2024
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <77.0 | |
| Firefox ESR | <68.9.0 | |
| Thunderbird | <68.9.0 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.10 | |
| Ubuntu | =20.04 | |
| Thunderbird | <68.9 | 68.9 |
| Firefox | <77 | 77 |
| Firefox ESR | <68.9 | 68.9 |
| debian/firefox | 137.0.2-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.9.0esr-1~deb11u1 128.8.0esr-1~deb12u1 128.9.0esr-1~deb12u1 128.9.0esr-2 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.9.0esr-1~deb11u1 1:128.8.0esr-1~deb12u1 1:128.9.0esr-1~deb12u1 1:128.9.0esr-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1639590
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-22/
- https://www.mozilla.org/security/advisories/mfsa2020-20/
- https://www.mozilla.org/security/advisories/mfsa2020-21/
- https://www.mozilla.org/security/advisories/mfsa2020-22/
- https://usn.ubuntu.com/4421-1/
- https://launchpad.net/bugs/cve/CVE-2020-12406
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-22/#CVE-2020-12410
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-21/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-20/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-20/#CVE-2020-12406
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-21/#CVE-2020-12406
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-22/#CVE-2020-12406
- https://security-tracker.debian.org/tracker/CVE-2020-12406
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12406
- https://nvd.nist.gov/vuln/detail/CVE-2020-12406
- https://ubuntu.com/security/CVE-2020-12406
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2020-12406?
CVE-2020-12406 is a vulnerability discovered in Mozilla Thunderbird, Firefox, and Firefox ESR that could lead to a crash or potentially allow an attacker to run arbitrary code.
Which software versions are affected by CVE-2020-12406?
CVE-2020-12406 affects Mozilla Thunderbird version up to 68.9, Firefox version up to 77, and Firefox ESR version up to 68.9.
What is the severity of CVE-2020-12406?
CVE-2020-12406 has a severity level of high (severity value: 7).
How can CVE-2020-12406 be exploited?
With enough effort, CVE-2020-12406 could be exploited to run arbitrary code.
How can I fix CVE-2020-12406?
To fix CVE-2020-12406, update Mozilla Thunderbird to version 68.9 or newer, Firefox to version 77 or newer, or Firefox ESR to version 68.9 or newer.
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- version/ubuntu/18.04
- version/ubuntu/19.10
- version/ubuntu/20.04
- package-manager/debian