PT-2025-41447 · Amazon · Amazon.Iondotnet

Gregg · Published 2025-10-09 · Updated 2025-10-13 · CVE-2025-11573

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Amazon.IonDotnet versions prior to 1.3.2

Description An infinite loop issue exists in the Amazon.IonDotnet library that could allow an attacker to cause a denial of service by providing a specially crafted text input. The library has been deprecated as of August 20, 2025, and will not receive further updates.

Recommendations Upgrade to version 1.3.2.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

CWE-1286

Related Identifiers

CVE-2025-11573

GHSA-Q5R6-9QWQ-G2WJ

Affected Products

Amazon.Iondotnet

References · 12

• https://github.com/amazon-ion/ion-dotnet/releases/tag/v1.3.2 · Patch
• https://osv.dev/vulnerability/GHSA-q5r6-9qwq-g2wj · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-11573 · Security Note
• https://aws.amazon.com/security/security-bulletins/AWS-2025-022 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-11573 · Vendor Advisory
• https://github.com/amazon-ion/ion-dotnet/pull/160 · Note
• https://github.com/amazon-ion/ion-dotnet/commit/edaff75fe5abbb71e647bed812c608c0c5e2fbab · Note
• https://github.com/amazon-ion/ion-dotnet · Note
• https://github.com/amazon-ion/ion-dotnet/security/advisories/GHSA-q5r6-9qwq-g2wj · Note
• https://twitter.com/VulmonFeeds/status/1976397380623692281 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1o30vje/resumen_diario_de_vulnerabilidades_10102025 · Reddit Post
• https://reddit.com/r/VulnMatter/comments/1o5knot/resumen_diario_de_vulnerabilidades_13102025 · Reddit Post