What’s Vulnerable › Vulnerabilities

CVE-2022-42930

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-362

Description

If two Workers were simultaneously initializing their CacheStorage, a data race could have occurred in the `ThirdPartyUtil` component. This vulnerability affects Firefox < 106.

Affected products

• Mozilla Firefox: before 106.0 — fixed in 106.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 106.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1789503
• https://www.mozilla.org/security/advisories/mfsa2022-44/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1789503
• https://www.mozilla.org/security/advisories/mfsa2022-44/

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