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MessagePack: Unbounded memory leak in msgpack C extension on strict_map_key validation failure

cve-program · CVE-2026-114613

Published

msgpack-python

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "msgpack",
                    "product": "msgpack-python",
                    "versions": [
                        {
                            "version": "< 1.2.3",
                            "status": "affected"
                        }
                    ]
                }
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 26 Oct 15:44 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current