CVE-2026-92392 Affecting curl package, versions <8.23.0-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.63% (50th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-CURL-20936800
  • published14 Oct 2026
  • disclosed14 Oct 2026

Introduced: 14 Oct 2026

NewCVE-2026-92392  (opens in a new tab)

How to fix?

Upgrade Debian:unstable curl to version 8.23.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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 Base Scores

version 3.1