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Weakness (CWE) CWE-122 Heap-based Buffer Overflow 1

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Vendor: Nanomsg × Clear all filters

TI-2026-63950 CVE-2026-97152 · GHSA-qf87-675j-h456

Heap-based buffer overflow in Nanomsg

Priority LOW 37

Nanomsg versions 0.5-beta through 1.x before 1.2.3 has a remotely exploitable buffer overflow in the WebSocket transport, due to an unchecked copy of the Sec-WebSocket-Version header, through snprintf.

CVSS 4.0HIGH 8.6· Network · Low privileges · No interaction · EPSS 0.00313 · Published 2026-09-24 · Fixed in 1.2.3 CWE-122

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