| Package | Affected versions | Patched versions |
|---|---|---|
| curl | ≥ 8.13.0, < 8.21.0 | 8.21.0 |
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.
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