CVE-2018-12373
Moderate
CVE-2018-12373
dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.
Exploit probability
2.4%
Published
October 18, 2018
Required by
Not available
Last source change
April 16, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-12373
View original source
dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.
05 / REFERENCES
Further evidence
- http://www.securityfocus.com/bid/104613
- https://access.redhat.com/errata/RHSA-2018:2251
- https://access.redhat.com/errata/RHSA-2018:2252
- https://bugzilla.mozilla.org/show_bug.cgi?id=1464056
- https://bugzilla.mozilla.org/show_bug.cgi?id=1464667
- https://lists.debian.org/debian-lts-announce/2018/07/msg00013.html
- https://security.gentoo.org/glsa/201811-13
- https://usn.ubuntu.com/3714-1/
- https://www.debian.org/security/2018/dsa-4244
- https://www.mozilla.org/security/advisories/mfsa2018-18/