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firefox: JIT corruption of WASM i32 return values on 64-bit CPUs

🗓️ 10 Mar 2025 06:13:38Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Firefox JIT can corrupt i32 WASM returns on 64-bit CPUs due to leftover memory.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.6aarch64firefox128.8.0-1.el8_6firefox-128.8.0-1.el8_6.aarch64.rpm
Red Hat Enterprise Linux8.6ppc64lefirefox128.8.0-1.el8_6firefox-128.8.0-1.el8_6.ppc64le.rpm
Red Hat Enterprise Linux8.6s390xfirefox128.8.0-1.el8_6firefox-128.8.0-1.el8_6.s390x.rpm
Red Hat Enterprise Linux8.6x86_64firefox128.8.0-1.el8_6firefox-128.8.0-1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6aarch64firefox-debuginfo128.8.0-1.el8_6firefox-debuginfo-128.8.0-1.el8_6.aarch64.rpm
Red Hat Enterprise Linux8.6ppc64lefirefox-debuginfo128.8.0-1.el8_6firefox-debuginfo-128.8.0-1.el8_6.ppc64le.rpm
Red Hat Enterprise Linux8.6s390xfirefox-debuginfo128.8.0-1.el8_6firefox-debuginfo-128.8.0-1.el8_6.s390x.rpm
Red Hat Enterprise Linux8.6x86_64firefox-debuginfo128.8.0-1.el8_6firefox-debuginfo-128.8.0-1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6aarch64firefox-debugsource128.8.0-1.el8_6firefox-debugsource-128.8.0-1.el8_6.aarch64.rpm
Red Hat Enterprise Linux8.6ppc64lefirefox-debugsource128.8.0-1.el8_6firefox-debugsource-128.8.0-1.el8_6.ppc64le.rpm
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26 Mar 2026 11:52Current
7High risk
Vulners AI Score7
CVSS 3.17.6
EPSS0.00294
SSVC
4