CVE-2026-97152

State: Published
Severity: 8.6 High
Published: Sep 24, 2026
Updated: Sep 24, 2026
Reserved: Sep 24, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:H	mitre

Weaknesses

CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
NanomsgNanomsg	0.5.0 to before 1.2.3Affected

References

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

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