PatchTheCVEmsgpack vulnerabilities and fixes
Recent CVEs affecting msgpack, with upgrade or downgrade steps. 1 tracked.
msgpack has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-03-26. Highest priority: CVE-2026-32284 (score 45/100).
- CVE-2026-32284 HIGH 7.5 UPGRADE The msgpack decoder fails to properly validate the input buffer length when processing truncated fixext data (
FAQ
How do I fix msgpack vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is msgpack being exploited right now?
None of the tracked msgpack CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which msgpack CVE should I patch first?
CVE-2026-32284 currently ranks highest (45/100): The msgpack decoder fails to properly validate the input buffer length when processing truncated fixext data (.