High severity7.5NVD Advisory· Published Oct 5, 2019· Updated Jun 17, 2026
CVE-2019-17191
CVE-2019-17191
Description
The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the callee can block eavesdropping.
Affected products
3- Signal/Private Messenger applicationdescription
Patches
Vulnerability mechanics
References
3- bugs.chromium.org/p/project-zero/issues/detailnvdExploitThird Party Advisory
- news.ycombinator.com/itemnvdExploitIssue TrackingThird Party Advisory
- twitter.com/moxie/status/1180261210341511168nvdThird Party Advisory
News mentions
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