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USN-8571-2: Apache HTTP Server regression

Ubuntu issues USN-8571-2 fixing an Apache HTTP Server regression that prevented startup when HTTP/2 proxying was enabled.

Ubuntu released USN-8571-2 to fix a regression introduced by USN-8571-1 in Apache HTTP Server. The earlier fix was incomplete due to a missing library symbol, causing Apache to fail to start when HTTP/2 proxying was enabled. The original advisory addressed CVE-2026-33007, a memory-handling flaw in mod_authn_socache allowing remote denial of service, and an HTTP response splitting vulnerability affecting multiple modules, credited to Pavel Kohout, Arkadi Vainbrand, Haruki Oyama, Merih Mengisteab, and Dawit Jeong.

Ubuntu Security Noticesupdated 11:33 UTC · 6h agofirst Sep 10, 19:36 UTC · 5d agoAdvisory 12 sources CVE-2026-33007

Lightstep's observability solution helps developers better understand the health of systems and services

Help Net SecurityApr 6, 00:00 UTC · Apr 6, 2020Industry

Cadence Design Systems Xcelium Apps improves verification performances for design teams

Help Net SecurityJul 1, 00:00 UTC · Jul 1, 2022Threat actor

Researchers design a tool to identify the source of errors caused by software updates

Help Net SecurityFeb 17, 00:00 UTC · Feb 17, 2020Industry

Machine learning fundamentals: What cybersecurity professionals need to know

Help Net SecurityJan 16, 13:34 UTC · Jan 16, 2023Industry

Microsoft Releases Emergency Patch to Fix RDS Snafu

Microsoft's out-of-band KB5129195 fixes September Patch Tuesday regressions breaking RDS connections, Hyper-V shared folders, and USB audio.

Microsoft released cumulative out-of-band update KB5129195 on September 14, 2026, fixing RDS instability causing failing RDP connections, sign-in issues, and hanging servers. The patch also resolves Hyper-V Plan9 shared-folder failures affecting WSL and Claude Cowork, plus USB Audio Class 1.0 device failures. This is Microsoft's sixth emergency patch after a September Patch Tuesday that fixed a record 974 CVEs.