CVE-2019-17014

Severity: high (CVSS 7.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-01-08 · updated 2026-06-17
Weakness: CWE-863

Description

If an image had not loaded correctly (such as when it is not actually an image), it could be dragged and dropped cross-domain, resulting in a cross-origin information leak. This vulnerability affects Firefox < 71.

Affected products

Mozilla Firefox: before 71.0 — fixed in 71.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 71.0. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1322864
https://www.mozilla.org/security/advisories/mfsa2019-36/
https://bugzilla.mozilla.org/show_bug.cgi?id=1322864
https://www.mozilla.org/security/advisories/mfsa2019-36/

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