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CVE-2019-11739

Date: September 27, 2019

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.

Severity Score

Related Resources (11)

https://www.mozilla.org/security/advisories/mfsa2019-30/
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
https://nvd.nist.gov/vuln/detail/CVE-2019-11739
https://usn.ubuntu.com/4150-1/
https://access.redhat.com/security/cve/CVE-2019-11739
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
https://security-tracker.debian.org/tracker/CVE-2019-11739
https://bugzilla.mozilla.org/show_bug.cgi?id=1571481
https://www.mozilla.org/security/advisories/mfsa2019-29/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-11739
https://www.mend.io/vulnerability-database/CVE-2019-11739

Severity Score

Weakness Type (CWE)

Cleartext Transmission of Sensitive Information

CWE-319

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): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

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

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