CVE-2021-32658

Nextcloud Android is the Android client for the Nextcloud open source home cloud system. Due to a timeout issue the Android client may not properly clean all sensitive data on account removal. This could include sensitive key material such as the End-to-End encryption keys. It is recommended that...

CVE-2021-40823

A logic error in the room key sharing functionality of matrix-js-sdk aka Matrix Javascript SDK before 12.4.1 allows a malicious Matrix homeserver present in an encrypted room to steal room encryption keys via crafted Matrix protocol messages that were originally sent by affected Matrix clients...

CVE-2021-32727

Nextcloud Android Client is the Android client for Nextcloud. Clients using the Nextcloud end-to-end encryption feature download the public and private key via an API endpoint. In versions prior to 3.16.1, the Nextcloud Android client skipped a step that involved the client checking if a private...

CVE-2020-13637

An issue was discovered in the stashcat app through 3.9.2 for macOS, Windows, Android, iOS, and possibly other platforms. It stores the clientkey, the deviceid, and the public key for end-to-end encryption in cleartext, enabling an attacker by copying or having access to the local storage databas...

CVE-2025-47729

The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL aka Archive Signal app users, which is different functionality than described in the TeleMessage "End-to-End encryption from the mobile phone through to the corporate archive" documentation, as...

CVE-2025-47729

The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL aka Archive Signal app users, which is different functionality than described in the TeleMessage "End-to-End encryption from the mobile phone through to the corporate archive" documentation, as...

CVE-2025-47729

The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL aka Archive Signal app users, which is different functionality than described in the TeleMessage "End-to-End encryption from the mobile phone through to the corporate archive" documentation, as...

CVE-2025-47729

The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL aka Archive Signal app users, which is different functionality than described in the TeleMessage "End-to-End encryption from the mobile phone through to the corporate archive" documentation, as...

CVE-2025-47729

CVE-2025-47729 relates to TeleMessage’s archiving backend (TM SGNL/Archive Signal). The public records state that the archiving backend stores cleartext copies of user messages, contrary to the stated end-to-end encryption claim, and this exposure has been exploited in the wild as of May 2025. Th...

“Your privacy is a promise we don’t break”: Dating app Raw exposes sensitive user data

Any app that hands over user data is a concern, but leaky dating apps are especially worrying given the sensitivity of the data involved. A relatively new app called Raw that aims to rewrite the rules of dating is the latest to trip over its coattails by exposing user data to…well, anyone who ask...

WhatsApp Is Walking a Tightrope Between AI Features and Privacy

WhatsApp's AI tools will use a new “Private Processing” system designed to allow cloud access without letting Meta or anyone else see end-to-end encrypted chats. But experts still see risks...

Enterprise Gmail Users Can Now Send End-to-End Encrypted Emails to Any Platform

On the 21st birthday of Gmail, Google has announced a major update that allows enterprise users to send end-to-end encrypted E2EE to any user in any email inbox in a few clicks. The feature is rolling out starting today in beta, allowing users to send E2EE emails to Gmail users within an...

Moving from WhatsApp to Signal: A good idea?

This week we learned that the US Government uses Signal for communication, after a journalist was accidentally added to a Signal chat. Accidental additions of people aside, the news has got regular folks asking if they should, too, be using Signal for private communications. Probably the largest...

End-to-End Encrypted Texts Between Android and iPhone Are Coming

Plus: A nominee to lead CISA emerges, Elon Musk visits the NSA, a renowned crypto cracking firm’s secret and problematic cofounder is revealed, and more...

GSMA Confirms End-to-End Encryption for RCS, Enabling Secure Cross-Platform Messaging

The GSM Association GSMA has formally announced support for end-to-end encryption E2EE for securing messages sent via the Rich Communications Services RCS protocol, bringing much-needed security protections to cross-platform messages shared between Android and iOS platforms. To that end, the new...

A New Era of Attacks on Encryption Is Starting to Heat Up

The UK, France, Sweden, and EU have made fresh attacks on end-to-end encryption. Some of the attacks are more “crude” than those in recent years, experts say...

Android happy to check your nudes before you forward them

Sometimes the updates we install to keep our devices safe do a little bit more than we might suspect at first glance. Take the October 2024 Android Security Bulletin. It included a new service called Android System SafetyCore. If you can find a mention of that in the security bulletin, you’re a...

CVE-2025-24904

libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, plaintext content envelopes could be injected by a server or a malicious client, and m...

CVE-2025-24904 libsignal-service-rs doesn't sanity check plaintext envelopes are not sanity-checked

libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, plaintext content envelopes could be injected by a server or a malicious client, and m...

CVE-2025-24904 libsignal-service-rs doesn't sanity check plaintext envelopes are not sanity-checked

libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, plaintext content envelopes could be injected by a server or a malicious client, and m...