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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.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox | affected unspecified - < 82 |
References
https://www.mozilla.org/security/advisories/mfsa2020-45/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1658881
x_refsource_MISC
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