CVE-2023-3600

Use-after-free in workers

Published Jul 12, 2023 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-44249 During the worker lifecycle, a use-after-free condition could have occured, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1.
Ubuntu USN Ubuntu USN USN-6218-1 Firefox vulnerability
Ubuntu USN Ubuntu USN USN-6405-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Description During the worker lifecycle, a use-after-free condition could have occured, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1. During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1.
Title firefox: use-after-free in workers Use-after-free in workers
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Dec 18, 2025, 3:22 PM
Reserved
Jul 10, 2023, 5:22 PM
Status
Modified
Published
Jul 12, 2023, 2:15 PM
Modified
Oct 23, 2026, 11:10 PM
Severity
Important
Public date
Jul 11, 2023, 12:00 AM