PT-2021-3795 · Mozilla+8 · Firefox Esr+10
Lukas Bernhard
·
Published
2021-08-10
·
Updated
2024-12-12
·
CVE-2021-29984
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 91
Thunderbird versions prior to 78.13
Firefox ESR versions prior to 78.13
Firefox versions prior to 91
Description
The issue is related to instruction reordering, which causes memory corruption and a potentially exploitable crash due to incorrect object consideration during garbage collection. It may also be related to a boundary error during JIT-optimization, potentially allowing a remote attacker to execute arbitrary code in the target system and cause memory damage.
Recommendations
For Thunderbird versions prior to 91, update to version 91 or later.
For Thunderbird versions prior to 78.13, update to version 78.13 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
Buffer Overflow
Memory Corruption
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Related Identifiers
Affected Products
Alt Linux
Astra Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Rocky Linux
Suse
Thunderbird
Ubuntu