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HTTP/2 server push UAF

curl · CVE-2026-18924
0 news outlets0 CERTs and agencies0 researchers

What is it?

A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections with other handles, can lead to use-after-free in the cleanup process.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
9.1
EPSS
0.6%
First seen
7 d ago
Status
corroborated

All curl vulnerabilities