SCA: security update for Nerdbank.MessagePack (GHSA-qjvr-435c-5fjh)

high Tenable Cloud Security Plugin ID 442494

Description

Nerdbank.MessagePack has a memory amplification DoS in collection deserialization

Solution

Update the Nerdbank.MessagePack library and its related packages to version 1.1.78 or later.

See Also

https://github.com/advisories/GHSA-qjvr-435c-5fjh

Plugin Details

Severity: High

ID: 442494

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 5/30/2026

Updated: 5/30/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/29/2026

Vulnerability Publication Date: 5/29/2026

Reference Information

cwe: CWE-405