Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2020-26960

Date: December 8, 2020

If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Severity Score

Related Resources (10)

https://www.mozilla.org/security/advisories/mfsa2020-52/
https://www.mozilla.org/security/advisories/mfsa2020-51/
https://www.mozilla.org/security/advisories/mfsa2020-50/
https://access.redhat.com/security/cve/CVE-2020-26960
https://bugzilla.mozilla.org/show_bug.cgi?id=1670358
https://security-tracker.debian.org/tracker/CVE-2020-26960
https://nvd.nist.gov/vuln/detail/CVE-2020-26960
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-26960
https://security.alpinelinux.org/vuln/CVE-2020-26960
https://www.mend.io/vulnerability-database/CVE-2020-26960

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

Do you need more information?

Contact Us