PT-2020-16574 · Mozilla+6 · Firefox+8
Zijie Zhao
·
Published
2020-11-17
·
Updated
2024-12-12
·
CVE-2020-26960
CVSS v2.0
9.3
High
| Vector | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 83
Firefox ESR versions prior to 78.5
Thunderbird versions prior to 78.5
Description
The issue arises when the Compact() method is called on an nsTArray, potentially leading to the array being reallocated without updating other pointers. This can result in a use-after-free situation and an exploitable crash.
Recommendations
For Firefox versions prior to 83, update to version 83 or later to resolve the issue.
For Firefox ESR versions prior to 78.5, update to version 78.5 or later to resolve the issue.
For Thunderbird versions prior to 78.5, update to version 78.5 or later to resolve the issue.
Exploit
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Suse
Thunderbird
Ubuntu