CVE-2026-32284

HIGH

7.5

Description

The msgpack decoder fails to properly validate the input buffer length when processing truncated fixext data (format codes 0xd4-0xd8). This can lead to an out-of-bounds read and a runtime panic, allowing a denial of service attack.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/26/2026

Derniere modification3/30/2026

Sourcenvd

Observations honeypot0

References

https://github.com/golang/vulndb/issues/4513(security@golang.org)

https://github.com/shamaton/msgpack/issues/59(security@golang.org)

https://pkg.go.dev/vuln/GO-2026-4513(security@golang.org)

https://securityinfinity.com/research/shamaton-msgpack-oob-panic-fixext-dos-2026(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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