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CVE-2026-29795 Detail

Description

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::<N>::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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/stellar/rs-stellar-xdr/commit/1f840013c3e2fca0321fb844b048afa01d10dda6 GitHub, Inc.
https://github.com/stellar/rs-stellar-xdr/issues/499 GitHub, Inc.
https://github.com/stellar/rs-stellar-xdr/pull/500 GitHub, Inc.
https://github.com/stellar/rs-stellar-xdr/security/advisories/GHSA-x57h-xx53-v53w GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-29795
NVD Published Date:
03/06/2026
NVD Last Modified:
03/06/2026
Source:
GitHub, Inc.