CVE-2025-40220

CVE-2025-40220 (Linux kernel) fixes a livelock in synchronous file put paths on fuseblk workers. Analysis in the description shows AIO writers hang waiting for fuse responses and fuse server threads stall due to synchronous RELEASE/put behavior. The patch resolves the hang by ensuring asynchronou...

CVE-2025-40220 fuse: fix livelock in synchronous file put from fuseblk workers

In the Linux kernel, the following vulnerability has been resolved: fuse: fix livelock in synchronous file put from fuseblk workers I observed a hang when running generic/323 against a fuseblk server. This test opens a file, initiates a lot of AIO writes to that file descriptor, and closes the fi...

CVE-2025-66454 Arcade MCP Default Hardcoded Worker Secret Allows Full Unauthorized Access to All HTTP MCP Worker Endpoints

Arcade MCP allows you to to create, deploy, and share MCP Servers. Prior to 1.5.4, the arcade-mcp HTTP server uses a hardcoded default worker secret "dev" that is never validated or overridden during normal server startup. As a result, any unauthenticated attacker who knows this default key can...

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...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

Flock Uses Overseas Gig Workers to Build Its Surveillance AI

An accidental leak revealed that Flock, which has cameras in thousands of US communities, is using workers in the Philippines to review and classify footage...

RLSA-2025:22363 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Mitigation bypass in the DOM: Security component CVE-2025-13018 firefox: Use-after-free in the Audio/Video component CVE-2025-13014 firefox: Incorrect boundary...

firefox security update

An update is available for firefox. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Firefox is an open-source web browser, designed for standards...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

firefox: thunderbird: Same-origin policy bypass in the DOM: Workers component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Workers component...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: Mitigation bypass in the DOM: Security component CVE-2025-13018 firefox: Use-after-free in the Audio/Video component CVE-2025-13014 firefox: Incorrect boundary...