VULNERABILITY INTELLIGENCE
CVE-2019-11755
CVSS score7.5 HIGH
EPSS probability1.29%
CISA KEVNot currently listed
Published2019-09-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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.
Weakness classification
- nvd@nist.gov: CWE-347
Primary references
- security@mozilla.org
- security@mozilla.org
- security@mozilla.org — Issue Tracking, Permissions Required, Vendor Advisory
- security@mozilla.org
- security@mozilla.org
- security@mozilla.org
- security@mozilla.org
- security@mozilla.org
- security@mozilla.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Permissions Required, Vendor Advisory