Servers and applications
CVE-2026-10536
A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or `CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and finally terminates the handle with `curl_easy_cleanup()`. During this final cleanup phase, libcurl attempts to access and modify an internal structure that was already freed…
- Severity
- Critical 9.8
- Published
- 3 Jul 2026
- Last changed
- 15 Sept 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 8.21.0
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
curlServers and applications · cpe:a:haxx:curl |
|