What’s Vulnerable › Vulnerabilities

CVE-2020-12414

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-09 · updated 2026-08-19
• Weakness: CWE-459

Description

IndexedDB should be cleared when leaving private browsing mode and it is not, the API for WKWebViewConfiguration was being used incorrectly and requires the private instance of this object be deleted when leaving private mode. This vulnerability affects Firefox for iOS < 27.

Affected products

• Mozilla Firefox for Android: before 27.0 — fixed in 27.0

How to fix

Upgrade to a fixed version: Mozilla Firefox for Android 27.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1646756
• https://www.mozilla.org/security/advisories/mfsa2020-23/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1646756
• https://www.mozilla.org/security/advisories/mfsa2020-23/

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