Unpatched XRING Flaw in XQUIC Lets Remote Clients Crash HTTP/3 Servers
A single wrong variable on one line in XQUIC, Alibaba’s QUIC and HTTP/3 library, lets any remote client crash the server with a short burst of completely legal traffic. There…
A single wrong variable on one line in XQUIC, Alibaba’s QUIC and HTTP/3 library, lets any remote client crash the server with a short burst of completely legal traffic. There…
Ravie LakshmananJul 09, 2026Vulnerability / Endpoint Security Microsoft has released security updates for a Defender vulnerability known as RoguePlanet, nearly a month after details of the flaw became public. The…
Researchers at Nebula Security have disclosed GhostLock (CVE-2026-43499), a 15-year-old Linux kernel flaw that lets any logged-in user take full root control of a machine that has not been patched. The vulnerable code has…
A critical flaw in Google’s Dialogflow CX could have let an attacker with edit rights on one Code Block-enabled agent compromise other Code Block-enabled agents in the same Google Cloud…
Ravie LakshmananJul 07, 2026AI Security / Vulnerability Cybersecurity researchers have disclosed details of a now-patched critical session isolation vulnerability in Writer, an enterprise generative artificial intelligence (AI) platform, that could…
A use-after-free bug in Linux’s KVM hypervisor can be triggered from a guest virtual machine to corrupt the shadow-page state of the host kernel that runs it. Dubbed ‘Januscape‘ and…
Ravie LakshmananJul 06, 2026Vulnerability / DevOps Threat actors have been observed attempting to exploit a recently patched critical security flaw in Gitea Docker images, according to Sysdig. The vulnerability in…
Researchers found a flaw in Opera GX, the gaming-focused version of the Opera browser, that let a malicious website silently install a browser add-on and use it to lift specific data…
A newly disclosed Linux kernel flaw called Bad Epoll (CVE-2026-46242) lets an ordinary user with no special access take full control of a machine as root. It affects Linux desktops,…
Ravie LakshmananJul 02, 2026Hacking News / Cybersecurity News This week’s security news is mostly about weak spots. Browsers, bots, sandboxes, AI systems, and email flows all show the same problem…