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Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64

🗓️ 06 Jul 2020 21:22:32Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Mozilla advisory: ARM64 memory corruption from missing sign-extension of ValueTags in JavaScript objects, enabling crash.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.8i686firefox0:68.10.0-1.el7_8firefox-0:68.10.0-1.el7_8.i686.rpm
Red Hat Enterprise Linux7.8ppc64firefox0:68.10.0-1.el7_8firefox-0:68.10.0-1.el7_8.ppc64.rpm
Red Hat Enterprise Linux7.8ppc64lefirefox0:68.10.0-1.el7_8firefox-0:68.10.0-1.el7_8.ppc64le.rpm
Red Hat Enterprise Linux7.8s390xfirefox0:68.10.0-1.el7_8firefox-0:68.10.0-1.el7_8.s390x.rpm
Red Hat Enterprise Linux7.8x86_64firefox0:68.10.0-1.el7_8firefox-0:68.10.0-1.el7_8.x86_64.rpm
Red Hat Enterprise Linux7.8i686firefox-debuginfo0:68.10.0-1.el7_8firefox-debuginfo-0:68.10.0-1.el7_8.i686.rpm
Red Hat Enterprise Linux7.8ppc64firefox-debuginfo0:68.10.0-1.el7_8firefox-debuginfo-0:68.10.0-1.el7_8.ppc64.rpm
Red Hat Enterprise Linux7.8ppc64lefirefox-debuginfo0:68.10.0-1.el7_8firefox-debuginfo-0:68.10.0-1.el7_8.ppc64le.rpm
Red Hat Enterprise Linux7.8s390xfirefox-debuginfo0:68.10.0-1.el7_8firefox-debuginfo-0:68.10.0-1.el7_8.s390x.rpm
Red Hat Enterprise Linux7.8x86_64firefox-debuginfo0:68.10.0-1.el7_8firefox-debuginfo-0:68.10.0-1.el7_8.x86_64.rpm
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25 Jun 2026 10:56Current
7.3High risk
Vulners AI Score7.3
CVSS 3.18.8
CVSS 29.3
EPSS0.02688
6