PULSE
ES
FEED
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CVE WatchOct 20, 2026

CVE-2026-92391

A deeply nested multipart MIME structure constructed via the public API causes a stack overflow in libcurl during normal cleanup operations.

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

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0-100

Published: Oct 20, 2026 · Last modified: Oct 20, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical 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.

Official references
Related CVEs

No related CVEs by CWE or product.