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CVE-2021-29962 Firefox for Android would become unstable and hard-to-recover when a website opened too many popups

Description

Firefox for Android would become unstable and hard-to-recover when a website opened too many popups. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.

Affected products and versions

Product Affected versions Fixed in
Firefox 89 earliest → < 89 89

Other CVEs of Firefox

The 2221 CVEs of Firefox →
CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High CVE-2026-118025 Other issue in the SVG component 8.8 High
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