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Mozilla: Encrypted mail leaks plaintext through src attribute

🗓️ 24 May 2018 19:59:01Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Decrypted email plaintext can leak via src attributes in images or links in Thunderbird below 52.8.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64thunderbird0:52.8.0-2.el6_9thunderbird-0:52.8.0-2.el6_9.ppc64.rpm
Red Hat Enterprise Linux6s390xthunderbird0:52.8.0-2.el6_9thunderbird-0:52.8.0-2.el6_9.s390x.rpm
Red Hat Enterprise Linux6x86_64thunderbird0:52.8.0-2.el6_9thunderbird-0:52.8.0-2.el6_9.x86_64.rpm
Red Hat Enterprise Linux6anythunderbird0:52.8.0-2.el6_9.i686thunderbird-0:52.8.0-2.el6_9.i686.noarch.rpm
Red Hat Enterprise Linux6ppc64thunderbird-debuginfo0:52.8.0-2.el6_9thunderbird-debuginfo-0:52.8.0-2.el6_9.ppc64.rpm
Red Hat Enterprise Linux6s390xthunderbird-debuginfo0:52.8.0-2.el6_9thunderbird-debuginfo-0:52.8.0-2.el6_9.s390x.rpm
Red Hat Enterprise Linux6x86_64thunderbird-debuginfo0:52.8.0-2.el6_9thunderbird-debuginfo-0:52.8.0-2.el6_9.x86_64.rpm
Red Hat Enterprise Linux6anythunderbird-debuginfo0:52.8.0-2.el6_9.i686thunderbird-debuginfo-0:52.8.0-2.el6_9.i686.noarch.rpm

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27 Jun 2026 01:39Current
7.4High risk
Vulners AI Score7.4
CVSS 25
CVSS 37.5
EPSS0.0198
7