Astra Linux – Vulnerability in Firefox

Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox versions earlier than 110...

Uncontrolled Resource Consumption in Matrix Synapse

ImpactSynapse before 1.52.0 with URL preview functionality enabled will attempt to generate URL previews for media stream URLs without properly limiting connection time. Connections will only be terminated after maxspidersize default: 10M bytes have been downloaded, which can in some cases lead t...

CVE-2026-20719 DoS via URL Previews Rendering Malicious SVGs

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub.. Mattermost Advisory ID:...

EUVD-2024-2571

Malicious code in bioql PyPI...

Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox < 110.

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CVE-2024-42347

matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a user's account data to cause the client to enable URL previews in end-to-end encrypted rooms, in which case any URLs in encrypted messages would be sent to the...

Information Disclosure

matrix-react-sdk is vulnerable to Information Disclosure. The vulnerability is due to a malicious homeserver manipulating a user's account data to enable URL previews in encrypted rooms, causing any URLs in encrypted messages to be sent to the server. Attackers can use this to intercept URLs in...

CVE-2024-42347

Affects matrix-react-sdk (Matrix web client component). A malicious homeserver could manipulate a user’s account data to enable URL previews in end-to-end encrypted rooms, causing URLs from encrypted messages to be sent to the server. This is mitigated by upgrading to matrix-react-sdk version 3.1...

CVE-2024-42347 URL preview setting for a room is controllable by the homeserver in matrix-react-sdk

matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a user's account data to cause the client to enable URL previews in end-to-end encrypted rooms, in which case any URLs in encrypted messages would be sent to the...

CVE-2024-42347 URL preview setting for a room is controllable by the homeserver in matrix-react-sdk

matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a user's account data to cause the client to enable URL previews in end-to-end encrypted rooms, in which case any URLs in encrypted messages would be sent to the...

CVE-2024-42347: Exposure of Private Personal Information to an Unauthorized Actor

matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a user's account data to cause the client to enable URL previews in end-to-end encrypted rooms, in which case any URLs in encrypted messages would be sent to the...

Important: firefox

Issue Overview: firefox-esr , thunderbird and nss only are affected by this package. CVE-2023-0767 The Mozilla Foundation Security Advisory describes this flaw as: The Content-Security-Policy-Report-Only header could allow an attacker to leak a child iframe's unredacted URI when interaction with...

CVE-2023-32683

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-32683 URL deny list bypass via oEmbed and image URLs when generating previews in Synapse

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-25731

Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox 110...

CVE-2023-25731

Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox 110...

CVE-2023-25731

CVE-2023-25731 affects Mozilla Firefox prior to 110, where URL previews in the network panel’s developer tools could allow query parameters to overwrite global objects in privileged code. The issue is confirmed by multiple sources stating Firefox

CVE-2023-25731: Improper Validation of Specified Quantity in Input

Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox 110...

CVE-2023-25731

Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox 110...

GLSA-202305-35 : Mozilla Firefox: Multiple Vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202305-35 Mozilla Firefox: Multiple Vulnerabilities - An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. CVE-2023-0767 -...