CVE-2025-11573 json
Denial of Service issue in Amazon.IonDotnet
published 2025-10-09 13 mo ago modified 2026-10-23 16 d ago also GHSA-q5r6-9qwq-g2wj , EUVD-2025-33578
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- nuget Amazon.IonDotnet 1.3.2
- Amazon Amazon.IonDotnet 1.3.2
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 4.0 | 8.7 | CVSS:4.0/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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Amazon.IonDotnet | <1.3.2 |
1.3.2 |
Affected products
- Amazon Amazon.IonDotnet
Classification
References
-
github.com
/amazon-ion/ion-dotnet/releases/tag/v1.3.2
patch, product, web
-
github.com
/amazon-ion/ion-dotnet/pull/160
web
-
github.com
/amazon-ion/ion-dotnet/commit/edaff75fe5abbb71e647bed812c608c0c5e2fbab
web
-
aws.amazon.com
/security/security-bulletins/AWS-2025-022/
vendor-advisory
-
github.com
/amazon-ion/ion-dotnet/security/advisories/GHSA-q5r6-9qwq-g2wj
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2025-11573
advisory
-
aws.amazon.com
/security/security-bulletins/AWS-2025-022
web
-
github.com
/amazon-ion/ion-dotnet
package
Sources
- CVE List CVE-2025-11573
- GitHub Advisory GHSA-q5r6-9qwq-g2wj
- NVD CVE-2025-11573
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