xeiaso-net
30 items from xeiaso-net
The article discusses security risks posed by smart appliances, particularly smart TVs, and advises users to regularly check their devices for vulnerabilities or malware. It highlights the importance of monitoring connected home devices to prevent them from being compromised by attackers.
Presigned URLs are replay attacks by design, but object storage systems like Tigris turn this into a feature by signing time into requests. Signatures expire within minutes, avoiding complex nonce coordination. Tradeoffs include no per-URL revocation, unlimited reuse before expiry, and unavoidable leakage, but self-destructing URLs make them practical for access control.
The author argues that AI agents can be understood through the programming concept of monads, specifically the "do-notation" style of composition. They explore how monads provide a structured way to model agent behavior and state management, drawing parallels between functional programming patterns and agent architectures.
CVE-2026-8461 revealed an out-of-bounds write in FFmpeg's MagicYUV decoder due to improper bounds checking in C, allowing remote code execution. The article notes this is the latest in a long pattern of memory safety vulnerabilities that occur almost exclusively in C.
CVE-2026-55200 for libssh2 reveals an out-of-bounds write vulnerability in C code, enabling heap corruption and remote code execution. The article satirically notes C is the only language where such memory safety issues regularly occur.
A developer built objgit, a Git server backed by object storage (Tigris) using a pure-Go Git library. Storing repos in S3-compatible buckets required workarounds for atomic renames, latency from excessive stat/list calls, and packfile handling, ultimately showing both the viability and challenges of Git-on-object-storage.
The author discusses the frustration that given the same bytes of input, compilers do not reliably produce the same bytes of output, highlighting the complexity and unpredictability of compilation processes.
Red Hat Insights' JavaScript packages on NPM suffered a supply chain attack stealing AWS, GCP, Azure, Kubernetes, Vault, npm, and CircleCI credentials, self-propagating via npm tokens and bypass_2fa. The incident is the latest in a long pattern of such attacks on NPM, the package manager where they regularly occur.
The article argues that IPv6 zone IDs in URLs are a flawed design that introduces complexity and compatibility issues, warning developers to avoid dealing with them if possible.
CVE-2026-45447, a heap use-after-free in OpenSSL's PKCS7_verify(), forced urgent patching. The bug is in C, the language behind most memory safety vulnerabilities. C programmers expressed helplessness, calling such flaws unavoidable.
Tigris has released a Go SDK with two packages: `storage`, a drop-in replacement for the standard S3 client with native support for Tigris-specific features like bucket forking and snapshots, and `simplestorage`, a higher-level client for single-bucket use that infers configuration from the environment. Users can adopt Tigris features incrementally without refactoring existing S3 code.
Cached input tokens are cheaper for AI services because the GPU does not need to perform as much computation to process them.
Kefka is a Go-native shell sandbox that includes coreutils and Python running via WebAssembly. The article details the technical challenges and design decisions behind building this sandboxing tool.
Art-template suffered a supply chain attack via NPM, with attackers controlling the repository since 2025 and loading unauthorized JavaScript from third-party domains. The incident highlights that NPM remains the package manager where such supply-chain attacks regularly occur, with developers expressing helplessness about preventing them.
CVE-2026-45250 in FreeBSD causes a kernel stack overflow via the setcred(2) system call, allowing arbitrary code execution. The article satirically highlights that this is another memory safety flaw in C, the language behind most such vulnerabilities, while developers claim there is no way to prevent them.
CVE-2026-45584, a memory safety vulnerability in Microsoft Windows Defender caused by code written in C++, forced site reliability workers to urgently patch systems. The article satirically notes that C++ is the only language where such vulnerabilities regularly occur, with 90% of memory safety flaws over 50 years attributed to it, while users of the language express helplessness.
Amazonbot, Amazon's web crawler, has started respecting the robots.txt file, which allows website owners to control automated access. The author thanks Amazon for this change, noting it helps support a viable business model for smaller sites.
The author expresses frustration over GitLab conducting layoffs, noting that achieving success in this area could have been straightforward.
The article discusses recent Linux kernel vulnerabilities and suggests that users might want to hold off on installing new software temporarily due to security concerns.
The author describes experiencing a vivid dream while taking post-surgery medications including Seroquel and Xanax. The dream was notably direct and meaningful in relation to their medication regimen.
The article shares practical advice and lessons learned from spending a week in a hospital environment, covering how to navigate the experience of fluorescent lighting and medical equipment.
The author describes how the constant presence of medical machines provided comforting company during early morning recovery from surgery.
The author reflects on unexpected aspects of recovery that they didn't anticipate but now value and are unwilling to relinquish.
The author created a sponsor panel for their website using "vibe coding" to complete it before surgery. They report that the implementation turned out well.
AI tools are pushing people to work at higher levels of abstraction, but there are concerns about what this shift costs in terms of understanding and control over the underlying processes.
The author's homelab will be offline for at least 20 days, requiring them to endure the downtime.
The homelab systems did not experience downtime as previously thought. All services remained operational despite earlier concerns about DNS issues.
AI 'GPUs' are graphical processing units that cannot actually process graphics. The term refers to specialized hardware designed for artificial intelligence tasks rather than traditional graphics rendering.
Claude Code won April Fools Day this year by giving users a digital tamagotchi pet. The playful feature was well-received by the community.