MS
Product
msgpack-ruby
by msgpack · last CVE Jul 30, 2026
1
CVEs
0
On KEV
5.4
Max CVSS
0
New 30D
Severity mix
Critical 0High 0Medium 1Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-54522
5.4
0%
Jul 30
MessagePack::Buffer#clear Use-After-Free that Enables Cross-Buffer Disclosure
Affected: < 1.8.2
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