CVE-2020-12418
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 | <68.10 | 68.10 |
| Mozilla Thunderbird | <78 | 78 |
| 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 | 132.0.2-1 | |
| 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 1:128.4.3esr-1~deb11u1 1:115.16.0esr-1~deb12u1 1:128.4.0esr-1~deb12u1 1:128.4.2esr-1 1:128.4.3esr-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1641303
- 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-2020-12418
- 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-2020-12418
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/#CVE-2020-12418
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/#CVE-2020-12418
- https://security-tracker.debian.org/tracker/CVE-2020-12418
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12418
- https://nvd.nist.gov/vuln/detail/CVE-2020-12418
- https://ubuntu.com/security/CVE-2020-12418
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2020-12418?
CVE-2020-12418 is a vulnerability in Mozilla Firefox and Thunderbird that allows for manipulation of URL objects, resulting in an out-of-bounds read and potential memory leakage.
Which software versions are affected by CVE-2020-12418?
Mozilla Firefox versions up to 78, Firefox ESR versions up to 68.10, Thunderbird versions up to 68.10, and Thunderbird versions up to 78 are affected by CVE-2020-12418.
What is the severity of CVE-2020-12418?
The severity of CVE-2020-12418 is high with a severity value of 7.
How can CVE-2020-12418 be exploited?
CVE-2020-12418 can be exploited by manipulating individual parts of a URL object, which triggers an out-of-bounds read and potentially leaking process memory to malicious JavaScript.
How can CVE-2020-12418 be mitigated?
To mitigate CVE-2020-12418, users should update to the latest versions of Mozilla Firefox and Thunderbird, which include the necessary security patches.
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