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CERT-FR advisory CERTFR-2026-AVI-1333, published 16 October 2026, reports multiple vulnerabilities in the Ubuntu Linux kernel. Per the advisory, some of them allow an attacker to achieve remote arbitrary code execution, privilege escalation and compromise of data confidentiality. The advisory also lists data integrity compromise and secur…
eMudhra, an India-based certificate authority trusted by major root programs, generated the private keys of eight intermediate CA certificates (issued April 2025) so poorly that each key is below 256, and one is the number 4. A researcher known as Wayne reported the compromise to the root programs on 17 October 2026, proving it by signing…
A critical Linux kernel networking flaw, CVE-2026-99999 (nicknamed PwnEscape, CVSS 9.3), lets code inside a guest VM read host memory, crash the host and, in lab conditions, run code on it. Researcher Paulos Yibelo of pwn.ai demonstrated the memory leak against Vercel's production sandboxes, which Vercel confirmed. The flaw was found in a…
The PHP security team released emergency fixes on October 21, 2026 for two critical core flaws, CVE-2026-109618 and CVE-2026-109619, nicknamed PHP2Shell. Both are rated CVSS v4.0 9.2 and allow unauthenticated remote code execution (RCE) as the web worker account. They can also expose process memory that may hold credentials and API keys (…
