Debian/ruby-msgpack: medium 5.4
MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.2, MessagePack::Buffer#clear in ext/msgpack/buffer.c leaves rmem_last, rmem_end, and rmem_owner s
Action: Upgrade ruby-msgpack to 1.8.3-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.8.3-1 | - |
Fixed versions
| 1.8.3-1 |
Sources
- osv: DEBIAN-CVE-2026-54522#Debian:14/ruby-msgpack
- https://security-tracker.debian.org/tracker/CVE-2026-54522
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