ASA-202011-6 log generated external raw
[ASA-202011-6] firefox: arbitrary code execution |
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Arch Linux Security Advisory ASA-202011-6
=========================================
Severity: Critical
Date : 2020-11-10
CVE-ID : CVE-2020-26950
Package : firefox
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-1265
Summary
=======
The package firefox before version 82.0.3-1 is vulnerable to arbitrary
code execution.
Resolution
==========
Upgrade to 82.0.3-1.
# pacman -Syu "firefox>=82.0.3-1"
The problem has been fixed upstream in version 82.0.3.
Workaround
==========
None.
Description
===========
A use-after-free has been found in Firefox before 82.0.3 where, in
certain circumstances, the MCallGetProperty opcode can be emitted with
unmet assumptions.
Impact
======
A remote attacker can execute arbitrary code on the affected host.
References
==========
https://www.mozilla.org/en-US/security/advisories/mfsa2020-49/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-49/#CVE-2020-26950
https://bugzilla.mozilla.org/show_bug.cgi?id=1675905
https://security.archlinux.org/CVE-2020-26950
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