CVE-2026-92392

CVSS 8.1 (high) · published 2026-10-14

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.

Weakness: CWE-416

Source: NVD CVE-2026-92392

References

• https://curl.se/docs/CVE-2026-92392.html
• https://curl.se/docs/CVE-2026-92392.json
• https://hackerone.com/reports/4030333
• http://www.openwall.com/lists/oss-security/2026/10/18/5
• http://www.openwall.com/lists/oss-security/2026/10/18/6
• https://hackerone.com/reports/4030333

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.