/
researchers:Calif × limpar

Resultados

4 casos · pág. 1/1

securityaffairs.com · medium

Calif publishes OpenBSD 7.9 root exploit chaining 37-year-old shm_nattch overflow with kernel out-of-bounds write; patched

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…

thehackernews.com · high

Public PoC chains 37-year-old OpenBSD shmat integer overflow with kernel UAF for root on OpenBSD 7.9, bypassing KARL, SMAP and SMEP

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…

olhardigital.com.br · · 2 fontes · 2 atualizações critical

Two critical decades-old PHP flaws (CVSS 9.2, unauthenticated RCE) found with AI and patched; NSA urges patching or taking sites offline

Two critical vulnerabilities affect PHP, in all versions since PHP 5 (2004). The NSA warned about them on Wednesday 21 October 2026, saying they let attackers reach the server file system or the database used by the web application (techcrunch.com). The PHP Foundation released four updates on 21 October 2026, including PHP 8.5.12. Each fl…

securityweek.com · · 27 fontes · 35 atualizações critical

PHP2Shell: PHP patches critical unauthenticated RCE flaws CVE-2026-109618 and CVE-2026-109619; exploitation attempts seen from Oct 17, broad exploitation after patches, wide vendor and government response

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 (…