Geek-Guy.com

Tag: bugs

CVE-2026-42945: 18-Year-Old NGINX Rewrite Flaw May Enable Unauthenticated RCE

Web infrastructure bugs remain especially dangerous when they sit in widely deployed request-handling logic for years without detection. Among the latest vulnerabilities impacting NGINX Plus and NGINX Open, the CVE-2026-42945 vulnerability stands out as an 18-year-old heap buffer overflow in ngx_http_rewrite_module that can be reached by an unauthenticated attacker through crafted HTTP requests and may…

CVE-2026-46300: Fragnesia Linux Kernel Flaw Grants Root via Page Cache Corruption

Local privilege-escalation bugs remain especially dangerous when they turn an ordinary user foothold into immediate root access. The CVE-2026-46300 vulnerability, nicknamed Fragnesia, is a high-severity Linux kernel flaw in the XFRM ESP-in-TCP subsystem that allows an unprivileged local attacker to write arbitrary bytes into the page cache of read-only files and escalate privileges. Public reporting…

Microsoft Patch Tuesday for May 2026 fix 138 bugs, some of them are alarming

Microsoft’s May 2026 Patch Tuesday fixed 138 flaws, including 30 critical bugs, across Windows, Office, Azure, Edge, SQL Server, and more. Microsoft’s May 2026 Patch Tuesday patched 138 vulnerabilities in a single release. That is a number that gives pause even for people accustomed to these cycles. The affected products span virtually the entire Microsoft…

CVE-2026-43500 and CVE-2026-43284: Dirty Frag Linux Privilege Escalation Flaw Raises Post-Compromise Risk

Linux local privilege escalation bugs remain especially dangerous when they turn a limited foothold into full root access. The CVE-2026-43500 vulnerability is the RxRPC half of the Dirty Frag exploit chain, which Microsoft says is already linked to limited in-the-wild post-compromise abuse, while Qualys describes it as a page-cache write issue that can let an…

Cisco patches high-severity flaws enabling SSRF, code execution attacks

Cisco fixed several high‑severity flaws in its enterprise products, including SSRF bugs in Unity Connection that could enable code execution or service disruption. Cisco released patches for multiple high‑severity vulnerabilities affecting its enterprise products. Successful exploitation could allow code execution, server‑side request forgery (SSRF), or denial‑of‑service attacks. Two notable flaws, CVE‑2026‑20034 and CVE‑2026‑20035, impact Cisco…

Vuln in Google’s Antigravity AI agent manager could escape sandbox, give attackers remote code execution

As organizations consider agentic AI for their business and IT stacks, researchers continue to find bugs and vulnerabilities in major, commercial models  that can significantly expand their attack surface. This week, researchers at Pillar Security disclosed a vulnerability in Antigravity, an AI-powered developer tool for filesystem operations made by Google. The bug, since patched, combined…