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CVE-2021-29957

Date: June 24, 2021

If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.

Severity Score

Related Resources (7)

https://security-tracker.debian.org/tracker/CVE-2021-29957
https://bugzilla.mozilla.org/show_bug.cgi?id=1673241
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-29957
https://access.redhat.com/security/cve/CVE-2021-29957
https://www.mozilla.org/security/advisories/mfsa2021-22/
https://nvd.nist.gov/vuln/detail/CVE-2021-29957
https://www.mend.io/vulnerability-database/CVE-2021-29957

Severity Score

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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