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35impact

UAF after pause in socket callback

curl · CVE-2026-9080
0 news outlets0 CERTs and agencies0 researchers

What is it?

Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION` callback triggers a use-after-free vulnerability, where libcurl attempts to store a flag using a dangling struct pointer immediately after that pointer's memory has been freed.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
7.3
EPSS
0.5%
First seen
2 d ago
Status
corroborated

All curl vulnerabilities