CVE-2018-5092

A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox < 58.

Score

CVSS 3.0 9.8 Critical

Status

Modified - security@mozilla.org

Published

2018-06-11

Last modified

2024-08-05

Weaknesses

CWE-416

Affected products

• Ubuntu Linux (Canonical)
• Firefox (Mozilla)

References

• http://www.securityfocus.com/bid/102786
• http://www.securitytracker.com/id/1040270
• https://bugzilla.mozilla.org/show_bug.cgi?id=1418074
• https://usn.ubuntu.com/3544-1/
• https://www.mozilla.org/security/advisories/mfsa2018-02/