CVE-2026-29795 stellar-xdr: `StringM::from_str` bypasses max length validation

stellar-xdr is a library and CLI containing types and functionality for working with Stellar XDR. Prior to version 25.0.1, StringM::fromstr does not validate that the input length is within the declared maximum MAX. Calling StringM::::fromstrs where s is longer than N bytes succeeds and returns a...

CVE-2026-29795

CVE-2026-29795 affects the stellar-xdr crate (StringM::from_str bypasses the max length validation). Affected: versions prior to 25.0.1. Root cause: input strings longer than MAX are accepted, producing StringM with violated length invariant. Impact: potential propagation through serialization/va...

GHSA-X57H-XX53-V53W stellar-xdr's StringM::from_str bypasses max length validation

Impact StringM::fromstr does not validate that the input length is within the declared maximum MAX. Calling StringM::::fromstrs where s is longer than N bytes succeeds and returns an Ok value instead of ErrError::LengthExceedsMax, producing a StringM that violates its length invariant. This affec...