CVE-2026-97152

Description

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.

References

• https://github.com/nanomsg/nanomsg/pull/1130
• https://github.com/nanomsg/nanomsg/releases/tag/1.2.3
• https://nanomsg.org