Signal

15 CVEs across 4 Signal products. Browse Signal vulnerabilities, severities, and proof-of-concept exploits.

Signal products with known CVEs

ProductCVEs
Signal-Desktop7
Private Messenger5
Signal5
App1
Signal CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2025-5715Low3.82025-06-06A vulnerability was found in Signal App 7.41.4 on Android. It has been declared as problematic. This vulnerability affects unknown code of the component Biomet…
CVE-2023-24069Low3.32023-01-23Signal Desktop before 6.2.0 on Windows, Linux, and macOS allows an attacker to obtain potentially sensitive attachments sent in messages from the attachments.n…
CVE-2023-24068High7.82023-01-23Signal Desktop before 6.2.0 on Windows, Linux, and macOS allows an attacker to modify conversation attachments within the attachments.noindex directory. Client…
CVE-2022-28345High7.52022-04-15The Signal app before 5.34 for iOS allows URI spoofing via RTLO injection. It incorrectly renders RTLO encoded URLs beginning with a non-breaking space, when t…
CVE-2020-5753Medium5.32020-05-20Signal Private Messenger Android v4.59.0 and up and iOS v3.8.1.5 and up allows a remote non-contact to ring a victim's Signal phone and disclose currently used…
CVE-2019-19954High7.32019-12-24Signal Desktop before 1.29.1 on Windows allows local users to gain privileges by creating a Trojan horse %SYSTEMDRIVE%\node_modules\.bin\wmic.exe file.
CVE-2019-17192Critical9.82019-10-05The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing RTP packets before a callee chooses to…
CVE-2019-17191High7.52019-10-05The 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 conne…
CVE-2019-9970Medium6.52019-03-24Open Whisper Signal (aka Signal-Desktop) through 1.23.1 and the Signal Private Messenger application through 4.35.3 for Android are vulnerable to an IDN homogr…
CVE-2018-3988Medium4.72018-12-10Signal Messenger for Android 4.24.8 may expose private information when using "disappearing messages." If a user uses the photo feature available in the "attac…
CVE-2018-16132High8.62018-08-29The image rendering component (createGenericPreview) of the Open Whisper Signal app through 2.29.0 for iOS fails to check for unreasonably large images before…
CVE-2018-14023Medium4.02018-08-20Open Whisper Signal (aka Signal-Desktop) before 1.15.0-beta.10 allows information leakage.
CVE-2018-11101Medium6.12018-05-17Open Whisper Signal (aka Signal-Desktop) through 1.10.1 allows XSS via a resource location specified in an attribute of a SCRIPT, IFRAME, or IMG element, leadi…
CVE-2018-10994Medium6.12018-05-14js/views/message_view.js in Open Whisper Signal (aka Signal-Desktop) before 1.10.1 allows XSS via a URL.
CVE-2018-9840Medium6.82018-04-10The Open Whisper Signal app before 2.23.2 for iOS allows physically proximate attackers to bypass the screen locker feature via certain rapid sequences of acti…