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CVE-2026-29795

stellar-xdr: `StringM::from_str` bypasses max length validation

概要

stellar-xdr: StringM::from_str bypasses max length validation

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

stellar-xdr is a library and CLI containing types and functionality for working with Stellar XDR. Prior to version 25.0.1, StringM::from_str does not validate that the input length is within the declared maximum (MAX). Calling StringM::::from_str(s) where s is longer than N bytes succeeds and returns an Ok value instead of Err(Error::LengthExceedsMax), producing a StringM that violates its length invariant. This affects any code that constructs StringM values from string input using FromStr (including str::parse), and relies on the type's maximum length constraint being enforced. An oversized StringM could propagate through serialization, validation, or other logic that assumes the invariant holds. This issue has been patched in version 25.0.1.

出典: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

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