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CVE-2020-15680

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CVE-2020-15680

Published: Oct 22, 2020

Modified: Aug 4, 2024

PUBLISHED

Description

If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.

VendorProductVersions

Mozilla

Firefox

affected
unspecified - < 82

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