What’s Vulnerable › Vulnerabilities

CVE-2022-31745

• Severity: medium (CVSS 4.3 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-129

Description

If array shift operations are not used, the Garbage Collector may have become confused about valid objects. This vulnerability affects Firefox < 101.

Affected products

• Mozilla Firefox: before 101.0 — fixed in 101.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 101.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1760944
• https://www.mozilla.org/security/advisories/mfsa2022-20/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1760944
• https://www.mozilla.org/security/advisories/mfsa2022-20/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1760944

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