AUGUST 4, 2026
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Case File

CVE-2019-11755

HIGH · CVSS 7.5 EPSS 1.07%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-09-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.

CVE
CVE-2019-11755
Severity
HIGH
CVSS
7.5
EPSS
1.07%

Original NVD Description

A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1.

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