CVE-2020-12406
First published: Tue Jun 02 2020(Updated: )
Last updated 24 July 2024
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Thunderbird | <68.9 | 68.9 |
| Mozilla Firefox ESR | <68.9 | 68.9 |
| Mozilla Firefox | <77 | 77 |
| Mozilla Firefox | <77.0 | |
| Mozilla Firefox ESR | <68.9.0 | |
| Mozilla Thunderbird | <68.9.0 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Canonical Ubuntu Linux | =20.04 | |
| 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.
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.
- collector/mozilla-advisory
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/weakness
- agent/severity
- source/Mozilla
- agent/software-canonical-lookup
- agent/description
- agent/software-canonical-lookup-request
- collector/nvd-cve
- source/NVD
- collector/nvd-index
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- vendor/mozilla
- canonical/mozilla thunderbird
- canonical/mozilla firefox esr
- canonical/mozilla firefox
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/19.10
- version/canonical ubuntu linux/20.04
- package-manager/debian