CVE-2020-12419: Use After Free
First published: Tue Jun 30 2020(Updated: )
Last updated 24 July 2024
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox ESR | <68.10 | 68.10 |
| Mozilla Thunderbird | <78 | 78 |
| Mozilla Thunderbird | <68.10 | 68.10 |
| Mozilla Firefox | <78 | 78 |
| Mozilla Firefox | <78.0 | |
| Mozilla Firefox ESR | <68.10 | |
| Mozilla Thunderbird | <68.10.0 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Canonical Ubuntu Linux | =20.04 | |
| openSUSE Leap | =15.1 | |
| openSUSE Leap | =15.2 | |
| 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=1643874
- https://www.mozilla.org/security/advisories/mfsa2020-24/
- https://www.mozilla.org/security/advisories/mfsa2020-25/
- https://www.mozilla.org/security/advisories/mfsa2020-26/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
- https://usn.ubuntu.com/4421-1/
- https://security.gentoo.org/glsa/202007-09
- https://security.gentoo.org/glsa/202007-10
- https://launchpad.net/bugs/cve/CVE-2020-12419
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/#CVE-2020-12416
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/#CVE-2020-12419
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/#CVE-2020-12419
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/#CVE-2020-12419
- https://security-tracker.debian.org/tracker/CVE-2020-12419
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12419
- https://nvd.nist.gov/vuln/detail/CVE-2020-12419
- https://ubuntu.com/security/CVE-2020-12419
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2020-12419?
The severity of CVE-2020-12419 is critical.
Which software versions are affected by CVE-2020-12419?
Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10 are affected by CVE-2020-12419.
What is the vulnerability description of CVE-2020-12419?
CVE-2020-12419 is a use-after-free vulnerability in the parent process of Firefox and Thunderbird, which could lead to memory corruption and potentially exploitable crashes.
How can I fix CVE-2020-12419?
To fix CVE-2020-12419, update your Firefox or Thunderbird to version 78.0.1 or later.
Where can I find more information about CVE-2020-12419?
You can find more information about CVE-2020-12419 in the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1643874), [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/).
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- agent/severity
- agent/description
- agent/software-canonical-lookup-request
- agent/weakness
- 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 firefox esr
- canonical/mozilla thunderbird
- 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
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.1
- version/opensuse leap/15.2
- package-manager/debian