CVE-2026-14906

MEDIUM 5.3

Malicious webpage titles could allow overwriting of bundled PDF resources when saving webpages as PDFs in Firefox for iOS

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4.

Vendor	mozilla
Product	firefox for ios
Ecosystems	Browser JavaScript
Industries	Technology
Published	Jul 13, 2026
Last Updated	Jul 13, 2026

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Affected Versions

Mozilla / Firefox for iOS

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=2045842 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2026-66/

Credits

Muneaki Nishimura