CVE-2026-97152CWE-122

CVE-2026-97152

published September 24, 2026

CVSS
8.6
EPSS
0%
Percentile
23.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
8.6 · NONE
CVSS v4.0
8.6 · 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
EPSS
0.00313 · 23.0th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-09-24T08:18Z
References (3)
https://github.com/nanomsg/nanomsg/pull/1130 · [email protected]https://github.com/nanomsg/nanomsg/releases/tag/1.2.3 · [email protected]https://nanomsg.org · [email protected]
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 24 SEP 03:17Z
    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…
    cvelistv5