CVE-2026-107302: msgpack5: Truncated map32 headers throw an unexpected error

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-10

EPSS Score

0.43% (percentile: 35.0%)

Affected Products (1)

Other

• 21665-17084

Revision History

• 2026-10-10: Information published.