CVE-2019-11755
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.1%
exploitation probability
1.1%top 37% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Mozilla · ThunderbirdReferences
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1240290https://lists.debian.org/debian-lts-announce/2019/11/msg00017.htmlhttps://seclists.org/bugtraq/2019/Nov/24https://usn.ubuntu.com/4202-1/https://usn.ubuntu.com/4335-1/https://www.debian.org/security/2019/dsa-4571https://www.mozilla.org/security/advisories/mfsa2019-32/