CVE-2025-48937 matrix-sdk-crypto vulnerable to sender of encrypted events being spoofed by homeserver administrator

matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly validate the sender of an encrypted event. Accordingly, a malicious homeserver operator can modify events served to clients, making those event...

CVE-2025-48937 matrix-sdk-crypto vulnerable to sender of encrypted events being spoofed by homeserver administrator

matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. matrix-sdk-crypto since version 0.8.0 and up to 0.11.0 does not correctly validate the sender of an encrypted event. Accordingly, a malicious homeserver operator can modify events served to clients, making those event...

PT-2025-24684 · Unknown · Matrix-Rust-Sdk

Name of the Vulnerable Software and Affected Versions: matrix-rust-sdk versions 0.8.0 through 0.11.0 Description: The issue arises from the failure to correctly validate the sender of an encrypted event in the matrix-sdk-crypto component. This allows a malicious homeserver operator to modify even...

Quantifying Mix Network Privacy Erosion with Generative Models

Modern mix networks improve over Tor and provide stronger privacy guarantees by robustly obfuscating metadata. As long as a message is routed through at least one honest mixnode, the privacy of the users involved is safeguarded. However, the complexity of the mixing mechanisms makes it difficult ...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link CVE-2025-3909 thunderbird: Sender Spoofing via Malformed From Header in Thunderbird CVE-2025-3875 thunderbird: Unsolicited File Download,...

RHEL 8 : thunderbird (RHSA-2025:8784)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:8784 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: JavaScript Execution via Spoofed PDF Attachment...

ALSA-2025:8756 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link CVE-2025-3909 thunderbird: Sender Spoofing via Malformed From Header in Thunderbird CVE-2025-3875 thunderbird: Unsolicited File Download,...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update ...

thunderbird: Sender Spoofing via Malformed From Header in Thunderbird

The Mozilla Foundation's Security Advisory describes the following issue: Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid From address to be used. For example, if the From header contains an invalid value "Spoofed Name [email protected]...

RHEL 8 : thunderbird (RHSA-2025:8594)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:8594 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: JavaScript Execution via Spoofed PDF Attachment...

thunderbird: Sender Spoofing via Malformed From Header in Thunderbird

The Mozilla Foundation's Security Advisory describes the following issue: Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid From address to be used. For example, if the From header contains an invalid value "Spoofed Name [email protected]...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 Telecommunications Update Service. Red Hat Product Security has rated this update ...

RHEL 8 : thunderbird (RHSA-2025:8507)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:8507 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: JavaScript Execution via Spoofed PDF Attachment...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

thunderbird: Sender Spoofing via Malformed From Header in Thunderbird

The Mozilla Foundation's Security Advisory describes the following issue: Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid From address to be used. For example, if the From header contains an invalid value "Spoofed Name [email protected]...

RHEL 9 : thunderbird (RHSA-2025:8324)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:8324 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: JavaScript Execution via Spoofed PDF Attachment...

thunderbird: Sender Spoofing via Malformed From Header in Thunderbird

The Mozilla Foundation's Security Advisory describes the following issue: Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid From address to be used. For example, if the From header contains an invalid value "Spoofed Name [email protected]...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

thunderbird: Sender Spoofing via Malformed From Header in Thunderbird

The Mozilla Foundation's Security Advisory describes the following issue: Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid From address to be used. For example, if the From header contains an invalid value "Spoofed Name [email protected]...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...