PT-2021-3796 · Mozilla+8 · Firefox Esr+10
Irvan Kurniawan
·
Published
2021-08-10
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Updated
2024-12-12
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CVE-2021-29980
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 uninitialized memory in a canvas object, which could lead to memory corruption and a potentially exploitable crash. It may also be associated with a boundary error in a canvas object, 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
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Related Identifiers
Affected Products
Alt Linux
Astra Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Rocky Linux
Suse
Thunderbird
Ubuntu