VYPR
High severity8.1NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026

CVE-2018-5163

CVE-2018-5163

Description

If a malicious attacker has used another vulnerability to gain full control over a content process, they may be able to replace the alternate data resources stored in the JavaScript Start-up Bytecode Cache (JSBC) for other JavaScript code. If the parent process then runs this replaced code, the executed script would be run with the parent process' privileges, escaping the sandbox on content processes. This vulnerability affects Firefox < 60.

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Affected products

24

Patches

Vulnerability mechanics

References

5

News mentions

0

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