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MessagePack::Buffer#clear Use-After-Free that Enables Cross-Buffer Disclosure

🗓️ 07 Aug 2026 08:17:32Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 3 Views

Use-after-free in MessagePack::Buffer#clear enables cross-buffer memory disclosure in Ruby.

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13 Aug 2026 07:08Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15.4
CVSS 42.1
EPSS0.00136
SSVC
3