Security Advisory

CVE-2018-12387

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2018-10-18 13:00:00

Last updated 2024-08-05 08:30:59

Assigner mozilla

CVSS score not scored

State PUBLISHED

Description

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

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