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CVE-2017-5375

CRITICAL

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Published: Jun 11, 2018 Modified: Jun 17, 2026
CWE-119

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (13)

Vendor Product Version
redhat enterprise_linux_desktop 5.0
redhat enterprise_linux_desktop 6.0
redhat enterprise_linux_desktop 7.0
redhat enterprise_linux_server 5.0
redhat enterprise_linux_server 6.0
redhat enterprise_linux_server 7.0
redhat enterprise_linux_workstation 5.0
redhat enterprise_linux_workstation 6.0
redhat enterprise_linux_workstation 7.0
mozilla firefox * < 45.7.0
mozilla firefox * < 51.0.1
mozilla thunderbird * < 45.7.0
debian debian_linux 8.0

GitHub Security Advisory GHSA-m73w-mj59-ggvj

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 33.53%

Top 2% most likely to be exploited

Threat Score 49.3 / 100

Data Sources

NVD EPSS GitHub