CVE-2020-12417
First published: Tue Jun 30 2020(Updated: )
Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox ESR | <68.10 | 68.10 |
| Mozilla Thunderbird | <68.10 | 68.10 |
| Mozilla Thunderbird | <78 | 78 |
| Mozilla Firefox | <78 | 78 |
| Mozilla Firefox | <78.0 | |
| Mozilla Firefox ESR | <68.10.0 | |
| 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 | 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=1640737
- 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-2020-12417
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/
- 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-2020-12417
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/#CVE-2020-12417
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/#CVE-2020-12417
- https://security-tracker.debian.org/tracker/CVE-2020-12417
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12417
- https://nvd.nist.gov/vuln/detail/CVE-2020-12417
- https://ubuntu.com/security/CVE-2020-12417
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-12417.
Which platforms are affected by this vulnerability?
This vulnerability only affects Firefox on ARM64 platforms.
Which software versions are affected by this vulnerability?
This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 78.
How severe is CVE-2020-12417?
CVE-2020-12417 has a severity rating of 8.8 (critical).
Where can I find more information about CVE-2020-12417?
You can find more information about CVE-2020-12417 in the following references: [Link](https://bugzilla.mozilla.org/show_bug.cgi?id=1640737), [Link](https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/), [Link](http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html).
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- collector/mozilla-advisory
- source/Mozilla
- agent/software-canonical-lookup
- agent/weakness
- agent/severity
- agent/software-canonical-lookup-request
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/tags
- agent/event
- agent/description
- collector/nvd-cve
- source/NVD
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- 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