CVE-2024-53975: Mozilla Firefox

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Accessing a non-secure HTTP site that uses a non-existent port may cause the SSL padlock icon in the location URL bar to, misleadingly, appear secure. This vulnerability affects Firefox for iOS < 133.

Affected products

• Mozilla Firefox: before 133.0 (fixed in 133.0)

Published 2024-11-26. Last modified 2026-06-17.