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Security firm Calif published a full writeup and proof-of-concept code for a local privilege escalation exploit that gains root on OpenBSD 7.9. It chains a roughly 37-year-old integer overflow in the shared-memory attach path with a separate kernel flaw, and it bypasses KARL, SMAP and SMEP. OpenBSD patched both issues in September (errata…
Cybersecurity firm Calif published a full exploit and write-up for a local privilege escalation to root on OpenBSD 7.9, chaining two kernel flaws, one of which is a 37-year-old integer overflow inherited from the original BSD sources. The exploit bypasses KARL address randomization and SMAP/SMEP protections without requiring any informati…
PHP maintainers released emergency patches for two critical memory corruption flaws, collectively called PHP2shell (CVE-2026-109618 and CVE-2026-109619), that allow unauthenticated remote code execution. The PHP Foundation accuses Chainguard of breaking the coordinated disclosure embargo on 21 October at 07:41 UTC, more than six hours bef…
PHP released an emergency update for two critical zero-day vulnerabilities, CVE-2026-109618 and CVE-2026-109619. They allow remote code execution, denial of service and data exposure, and are reportedly already being exploited in the wild. Nearly 70 percent of websites are said to need updating, and Reuters reports that government website…
Two critical vulnerabilities in the PHP language, each rated CVSS 9.2, allow unauthenticated remote code execution on vulnerable servers. Governments and companies reportedly took sites offline as a precaution. The PHP Foundation released four updates on 21 October 2026. One flaw was first identified by a researcher in 2024, and the Found…
Wiz Research disclosed multiple memory-safety vulnerabilities in the core PHP engine, grouped under two CVEs with severity up to CVSS 9.2, and patched by the PHP team on October 21, 2026. The flaws allow unauthenticated remote code execution or disclosure of process memory (passwords, tokens, API keys, certificates) on any site running an…
The NSA issued a warning on Wednesday about two critical vulnerabilities in PHP, present in all versions since PHP 5 (2004). The PHP Foundation has already released patches. The flaws let attackers reach the server file system or the database used by the web application. The NSA advises that any site that cannot be patched immediately sho…
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 (…
