CVEdetails.com the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
  What's the CVSS score of your company?
Vulnerability Feeds & WidgetsNew   www.itsecdb.com  

Vulnerability Details : CVE-2020-26950

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.
Publish Date : 2020-12-09 Last Update Date : 2020-12-09
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 416

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:5099: firefox security update (Critical) oval:com.redhat.rhsa:def:20205099 unix
RHSA-2020:5100: firefox security update (Critical) oval:com.redhat.rhsa:def:20205100 unix
RHSA-2020:5104: firefox security update (Critical) oval:com.redhat.rhsa:def:20205104 unix
RHSA-2020:5146: thunderbird security update (Important) oval:com.redhat.rhsa:def:20205146 unix
RHSA-2020:5163: thunderbird security update (Important) oval:com.redhat.rhsa:def:20205163 unix
RHSA-2020:5164: thunderbird security update (Important) oval:com.redhat.rhsa:def:20205164 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-26950

# Product Type Vendor Product Version Update Edition Language
1 Application Mozilla Firefox * * * * Version Details Vulnerabilities
2 Application Mozilla Firefox Esr * * * * Version Details Vulnerabilities
3 Application Mozilla Thunderbird * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Mozilla Firefox 1
Mozilla Firefox Esr 1
Mozilla Thunderbird 1

- References For CVE-2020-26950

https://bugzilla.mozilla.org/show_bug.cgi?id=1675905
https://www.mozilla.org/security/advisories/mfsa2020-49/ CONFIRM

- Metasploit Modules Related To CVE-2020-26950

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.