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CVE-2023-3600

firefox: use-after-free in workers

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Severity

Important

Red Hat Product Security

8.8

CVSS 3.1

Review impact separately from score.

Published · July 11, 2023

Updated · December 19, 2025

Description

The Mozilla Foundation Security Advisory describes this flaw as:

During the worker lifecycle, a use-after-free condition could have occured, which could have led to a potentially exploitable crash.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-416 · Use After Free