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Mozilla: Ionmonkey type confusion with __proto__ mutations

🗓️ 28 Mar 2019 14:52:05Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Ionmonkey type confusion from __proto__ mutations enables memory read and write in Mozilla.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64thunderbird0:60.6.1-1.el6_10thunderbird-0:60.6.1-1.el6_10.ppc64.rpm
Red Hat Enterprise Linux6s390xthunderbird0:60.6.1-1.el6_10thunderbird-0:60.6.1-1.el6_10.s390x.rpm
Red Hat Enterprise Linux6x86_64thunderbird0:60.6.1-1.el6_10thunderbird-0:60.6.1-1.el6_10.x86_64.rpm
Red Hat Enterprise Linux6anythunderbird0:60.6.1-1.el6_10.i686thunderbird-0:60.6.1-1.el6_10.i686.noarch.rpm
Red Hat Enterprise Linux6ppc64thunderbird-debuginfo0:60.6.1-1.el6_10thunderbird-debuginfo-0:60.6.1-1.el6_10.ppc64.rpm
Red Hat Enterprise Linux6s390xthunderbird-debuginfo0:60.6.1-1.el6_10thunderbird-debuginfo-0:60.6.1-1.el6_10.s390x.rpm
Red Hat Enterprise Linux6x86_64thunderbird-debuginfo0:60.6.1-1.el6_10thunderbird-debuginfo-0:60.6.1-1.el6_10.x86_64.rpm
Red Hat Enterprise Linux6anythunderbird-debuginfo0:60.6.1-1.el6_10.i686thunderbird-debuginfo-0:60.6.1-1.el6_10.i686.noarch.rpm

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28 Jun 2026 09:04Current
7.4High risk
Vulners AI Score7.4
CVSS 26.8
CVSS 38.8
EPSS0.07387
5