CVE-2020-15502

The DuckDuckGo application through 5.58.0 for Android, and through 7.47.1.0 for iOS, sends hostnames of visited web sites within HTTPS .ico requests to servers in the duckduckgo.com domain, which might make visit data available temporarily at a Potentially Unwanted Endpoint. NOTE: the vendor has stated "the favicon service adheres to our strict privacy policy.

• CWE-200

• https://github.com/duckduckgo/Android/blob/e2f2d54a6b4452277467db403a3546512401b493/app/src/main/java/com/duckduckgo/app/global/UriExtension.kt#L83-L88Patch, Third Party Advisory
• https://github.com/duckduckgo/Android/issues/527Third Party Advisory
• https://github.com/duckduckgo/iOS/blob/1ae03d7221180bd6791cf6f7f06922a96335cf75/Core/AppUrls.swift#L98-L100Third Party Advisory
• https://news.ycombinator.com/item?id=23708166Patch, Third Party Advisory
• https://news.ycombinator.com/item?id=23711597Third Party Advisory
• https://github.com/duckduckgo/Android/blob/e2f2d54a6b4452277467db403a3546512401b493/app/src/main/java/com/duckduckgo/app/global/UriExtension.kt#L83-L88Patch, Third Party Advisory
• https://github.com/duckduckgo/Android/issues/527Third Party Advisory
• https://github.com/duckduckgo/iOS/blob/1ae03d7221180bd6791cf6f7f06922a96335cf75/Core/AppUrls.swift#L98-L100Third Party Advisory
• https://news.ycombinator.com/item?id=23708166Patch, Third Party Advisory
• https://news.ycombinator.com/item?id=23711597Third Party Advisory

Published

Jul 2, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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