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Mozilla: Stack buffer overflow in HKDF output

🗓️ 29 Oct 2019 13:48:28Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Firefox and Thunderbird flaw allows four bytes of hash based mac output to overflow a stack buffer, enabling remote code execution.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8ppc64lethunderbird0:68.2.0-1.el8_0thunderbird-0:68.2.0-1.el8_0.ppc64le.rpm
Red Hat Enterprise Linux8x86_64thunderbird0:68.2.0-1.el8_0thunderbird-0:68.2.0-1.el8_0.x86_64.rpm
Red Hat Enterprise Linux8ppc64lethunderbird-debuginfo0:68.2.0-1.el8_0thunderbird-debuginfo-0:68.2.0-1.el8_0.ppc64le.rpm
Red Hat Enterprise Linux8x86_64thunderbird-debuginfo0:68.2.0-1.el8_0thunderbird-debuginfo-0:68.2.0-1.el8_0.x86_64.rpm
Red Hat Enterprise Linux8ppc64lethunderbird-debugsource0:68.2.0-1.el8_0thunderbird-debugsource-0:68.2.0-1.el8_0.ppc64le.rpm
Red Hat Enterprise Linux8x86_64thunderbird-debugsource0:68.2.0-1.el8_0thunderbird-debugsource-0:68.2.0-1.el8_0.x86_64.rpm

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28 Jun 2026 12:32Current
7.9High risk
Vulners AI Score7.9
CVSS 26.8
CVSS 3.18.8
EPSS0.01799
5