CVE-2026-92392

Description

During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server (with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after free of a `struct Curl_easy` object.

References

https://hackerone.com/reports/4030333

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-100915

https://curl.se/docs/CVE-2026-92392.json

https://curl.se/docs/CVE-2026-92392.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS