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Severity
High
Analysis Summary
CVE-2020-26970
Mozilla Thunderbird is vulnerable to a stack-based buffer overflow, caused by improper parsing of SMTP server response codes. By persuading a victim to visit a specially crafted Web site, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the client to crash.
Impact
Gain access
Affected Vendors
Mozilla
Affected Products
Mozilla Thunderbird 78.5
Remediation
Refer to Mozilla Foundation Security Advisory 2020-53 for patch, upgrade or suggested workaround information.
https://www.mozilla.org/en-US/security/advisories/mfsa2020-53/