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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2018-12387
HistoryOct 18, 2018 - 1:29 p.m.

CVE-2018-12387

2018-10-1813:29:00
Debian Security Bug Tracker
security-tracker.debian.org
18

0.457 Medium

EPSS

Percentile

97.4%

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.