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Apache HTTP/2's double-free
CVE-2026-23918 — a HEADERS-then-RST_STREAM dance triggers a double-free in mod_http2. DoS today, potentially RCE.
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Read essay Simplicity over complexity, quantity over quality.
Security Engineer · Notes from building at speed
Currently — 13 essays shipped
Notes from a security engineer building at speed — on shipping, design, and the systems that hold the web together.
CVE-2026-23918 — a HEADERS-then-RST_STREAM dance triggers a double-free in mod_http2. DoS today, potentially RCE.
A CVSS 10.0 is rare. An exploited-in-the-wild CVSS 10.0 with admin impact, on a controller that sits between branches and the corporate WAN, is rarer.
One threat actor, multiple Fortune 500s, in two weeks. The unifying pattern is depressingly familiar — identity-provider compromise leading to SaaS data theft. No zero-day required.