Bug 2451851 (CVE-2026-32284) - CVE-2026-32284 github.com/shamaton/msgpack: msgpack: Denial of Service via truncated fixext data
Summary: CVE-2026-32284 github.com/shamaton/msgpack: msgpack: Denial of Service via tr...
Keywords:
Status: NEW
Alias: CVE-2026-32284
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-26 20:02 UTC by OSIDB Bzimport
Modified: 2026-03-27 07:19 UTC (History)
58 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-03-26 20:02:41 UTC 
The msgpack decoder fails to properly validate the input buffer length when processing truncated fixext data (format codes 0xd4-0xd8). This can lead to an out-of-bounds read and a runtime panic, allowing a denial of service attack.
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