CVE-2026-92392
highDuring 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 fre…
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.
CVSS
8.1
8.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-10-14 08:17
Modified: 2026-10-18 23:16
NVD status: Awaiting Analysis
Last synced 1 day ago
Verified against the source API 2026-10-27 07:02 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://curl.se/docs/CVE-2026-92392.html 2499f714-1537-4658-8207-48ae4bb9eae9
- https://curl.se/docs/CVE-2026-92392.json 2499f714-1537-4658-8207-48ae4bb9eae9
- https://hackerone.com/reports/4030333 2499f714-1537-4658-8207-48ae4bb9eae9
- http://www.openwall.com/lists/oss-security/2026/10/18/5 af854a3a-2127-422b-91ae-364da2661108
- http://www.openwall.com/lists/oss-security/2026/10/18/6 af854a3a-2127-422b-91ae-364da2661108
- https://hackerone.com/reports/4030333 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:02 UTC · record ↗