PT-2020-5816 · Mozilla+4 · Thunderbird+4
Chiaki Ishikawa
·
Published
2020-12-01
·
Updated
2024-06-15
·
CVE-2020-26970
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 78.5.1
Description:
The issue is related to a buffer overflow in memory, which can be exploited by a remote attacker to execute arbitrary code. When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack intended for a single byte, leading to potential stack corruption that may be exploitable, depending on the processor architecture and stack layout.
Recommendations:
For versions prior to 78.5.1, update to version 78.5.1 or later to resolve the issue. As a temporary workaround, consider restricting the use of SMTP server status code reading functionality until a patch is available.
Exploit
Fix
Memory Corruption
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Centos
Red Hat
Thunderbird
Ubuntu