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Rewterz Threat Advisory – CVE-2021-41260 – Mozilla Thunderbird Vulnerability

Severity

Medium

Analysis Summary

CVE-2021-41260

Mozilla Thunderbird could allow a remote attacker to bypass security restrictions, caused by the failure of OpenPGP signature status to consider additional message content. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to give the false impression that the additional contents were also covered by the digital signature.

Impact

  • Security Bypass

Affected Vendors

Mozilla

Affected Products

  • Mozilla Thunderbird 91.4.0

Remediation

Refer to Mozilla Foundation Security Advisory for patch, upgrade, or suggested workaround information.

https://www.mozilla.org/en-US/security/advisories/mfsa2021-55/