CVE-2025-51495

EUVD-2025-31586
An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 33.29%
Affected Products (NVD)
VendorProductVersion
cesantamongoose
7.5 ≤
𝑥
≤ 7.17
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mongoose
forky
7.22+ds-1
fixed
sid
7.23+ds-1
fixed
swupdate
bookworm
no-dsa
bullseye
postponed
forky
2026.05.1+dfsg-1
fixed
sid
2026.05.1+dfsg-1
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
swupdate
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
not-affected
Common Weakness Enumeration
References
https://github.com/cainiao159357/CVE-2025-51495
https://github.com/cesanta/mongoose
https://github.com/cesanta/mongoose/pull/3131