CVE-2026-92391

Description

A deeply nested multipart MIME structure constructed via the public API causes a stack overflow in libcurl during normal cleanup operations. An excessive recursion depth within `curl_mime_free` leads to unbounded stack frame allocation during structure traversal, ultimately crashing the host process.

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Produits concernés

• curl

Références

• https://curl.se/docs/CVE-2026-92391.html
• https://curl.se/docs/CVE-2026-92391.json
• https://hackerone.com/reports/4024222

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories