CVE-2026-92392

HIGHCVSS 8.1

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.

Timeline

Published:October 14th, 2026 8:17 AM

Last modified:October 18th, 2026 11:16 PM

CVSS Scoring

CVSS v3: 8.1 (HIGH)

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-416

References & Reports

Advisories, patches, and third-party reports

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

Source: NIST NVD · Data may lag official sources by up to one minute