PT-2021-3797 · Mozilla+8 · Firefox Esr+10
Icewall
+1
·
Published
2021-08-10
·
Updated
2024-12-12
·
CVE-2021-29985
CVSS v2.0
10
High
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Thunderbird versions prior to 78.13
Thunderbird versions prior to 91
Firefox ESR versions prior to 78.13
Firefox versions prior to 91
Description
The issue is related to a use-after-free error in the MediaCacheStream::NotifyDataReceived method, which can lead to memory corruption. This could potentially allow a remote attacker to trick a user into opening a specially crafted web page, resulting in the execution of arbitrary code on the target system. The estimated number of potentially affected devices is not specified.
Recommendations
For Thunderbird versions prior to 78.13, update to version 78.13 or later.
For Thunderbird versions prior to 91, update to version 91 or later.
For Firefox ESR versions prior to 78.13, update to version 78.13 or later.
For Firefox versions prior to 91, update to version 91 or later.
Exploit
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Rocky Linux
Suse
Thunderbird
Ubuntu