CVE-2025-11573 | THREATINT

Description

An infinite loop issue in Amazon.IonDotnet library versions <v1.3.2 may allow a threat actor to cause a denial of service through a specially crafted text input. To mitigate this issue, users should upgrade to version v1.3.2. As of August 20, 2025, this library has been deprecated and will not receive further updates.

PUBLISHED Reserved 2025-10-09 | Published 2025-10-09 | Updated 2025-10-09 | Assigner AMZN

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-1286: Improper Validation of Syntactic Correctness of Input

Product status

Default status

unaffected

Any version before 1.3.2

affected

References

github.com/amazon-ion/ion-dotnet/releases/tag/v1.3.2 patch product

aws.amazon.com/security/security-bulletins/AWS-2025-022/ vendor-advisory

github.com/...dotnet/security/advisories/GHSA-q5r6-9qwq-g2wj third-party-advisory

cve.org (CVE-2025-11573)

nvd.nist.gov (CVE-2025-11573)

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