CVE-2026-92392CWE-416

CVE-2026-92392

High · published October 14, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
57.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00855 · 57.9th percentile
Weakness
CWE-416 · Use After Free
Published
2026-10-14T12:17Z
References (6)
https://curl.se/docs/CVE-2026-92392.html · 2499f714-1537-4658-8207-48ae4bb9eae9https://curl.se/docs/CVE-2026-92392.json · 2499f714-1537-4658-8207-48ae4bb9eae9https://hackerone.com/reports/4030333 · 2499f714-1537-4658-8207-48ae4bb9eae9http://www.openwall.com/lists/oss-security/2026/10/18/5 · af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/10/18/6 · af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/4030333 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 14 OCT 07:46Z
    HTTP/2 upload Use-After-Free
    cvelistv5
  • 14 OCT 07:46Z
    HTTP/2 upload Use-After-Free
    cvelistv5