OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests Source: The Hacker News Eleven bytes will make an unpatched OpenSSL server set aside up to 131 KB of memory for a message that never arrives. On the glibc systems Okta tested, that memory is gone until the process restarts. OpenSSL shipped the HollowByte fix in June with no CVE, no advisory, and no changelog entry pointin Read original

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests Source: The Hacker News Eleven bytes will make an unpatched OpenSSL server set aside up to 131 KB of memory for a message that never arrives. On the glibc systems Okta tested, that memory is gone until the process restarts. OpenSSL shipped the HollowByte fix in June with no CVE, no advisory, and no changelog entry pointin Read original

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests Source: The Hacker News Eleven bytes will make an unpatched OpenSSL server set aside up to 131 KB of memory for a message that never arrives. On the glibc systems Okta tested, that memory is gone until the process restarts. OpenSSL shipped the HollowByte fix in June with no CVE, no advisory, and no changelog entry pointin Read original

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests Source: The Hacker News Eleven bytes will make an unpatched OpenSSL server set aside up to 131 KB of memory for a message that never arrives. On the glibc systems Okta tested, that memory is gone until the process restarts. OpenSSL shipped the HollowByte fix in June with no CVE, no advisory, and no changelog entry pointin Read original

New Windows LegacyHive zero-day gives hackers admin privileges

New Windows LegacyHive zero-day gives hackers admin privileges Source: BleepingComputer A security researcher using the “Nightmare Eclipse” handle has released a Windows zero-day exploit dubbed LegacyHive that allows attackers to escalate privileges on up-to-date Windows systems. […] Read original

New Windows LegacyHive zero-day gives hackers admin privileges

New Windows LegacyHive zero-day gives hackers admin privileges Source: BleepingComputer A security researcher using the “Nightmare Eclipse” handle has released a Windows zero-day exploit dubbed LegacyHive that allows attackers to escalate privileges on up-to-date Windows systems. […] Read original

New Windows LegacyHive zero-day gives hackers admin privileges

New Windows LegacyHive zero-day gives hackers admin privileges Source: BleepingComputer A security researcher using the “Nightmare Eclipse” handle has released a Windows zero-day exploit dubbed LegacyHive that allows attackers to escalate privileges on up-to-date Windows systems. […] Read original

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV Source: The Hacker News The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly patched security flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by July 19, 2026 Read original

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV Source: The Hacker News The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly patched security flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by July 19, 2026 Read original

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV Source: The Hacker News The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly patched security flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by July 19, 2026 Read original