Lucene search
+L
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
Assessment
Vulnerability Intelligence
Exploits
Alerts
Datasets
MCP
White Label
Security Automation SDK
MCP for AI Agents
Plans & Pricing
API Reference
Settings
Sign in

PT-2026-54004

🗓️ 19 Jun 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbu.gs👁 36 Views

Unpacker reuse after an error caused an out-of-bounds read crash in MessagePack Python before 1.2.1; fixed in 1.2.1.

Related
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: IBM Edge Data Collector uses multiple dependencies which are vulnerable to multiple CVEs.
30 Jul 202615:35
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Edge Data Collector uses multiple dependencies which are vulnerable to multiple CVEs.
30 Jul 202615:32
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a DOS vulnerability in Python [CVE-2026-57585]
24 Aug 202622:13
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities found in Watson Data Intelligence
18 Aug 202608:28
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerabilities in pyjwt-2.12.1-py3-none-any.whl
17 Jun 202615:32
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Investigation Assistant App for IBM QRadar SIEM is vulnerable to using components with known vulnerabilities
23 Jul 202613:08
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Vulnerability in MessagePack affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.
25 Aug 202618:10
–ibm
ibm
IBM Security Bulletins		Security Bulletin:PyJWT CVE-2023-40254: Local File Inclusion & Server-Side Request Forgery via PyJWKClient uri Argument
4 Aug 202609:56
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in urllib3, axios, pyjwt and idna might affect IBM Storage Defender Sentinel Anomaly Scan Engine.
30 Sep 202616:55
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data System (CPDS 2.0) is affected by multiple vulnerabilities in various components
8 Sep 202614:40
–ibm
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
06 Oct 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5 - 9.8
EPSS0.00488
SSVC
unpacker crashmessagepack pythondos risk
36