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CVE-2020-26970

nvd nist
Published: Dec 9, 2020Modified: Nov 21, 2024

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.

Affected (1)

Products: Mozilla: Thunderbird
Mozilla
1 product
Thunderbird
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Thunderbird
Before 78.5.1

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

Source: security@mozilla.org
Issue TrackingPermissions RequiredVendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPermissions RequiredVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.