Uncontrolled memory allocation in the binary Ion stream cursor in Amazon ion-java before 1.12.0 might allow remote actors to cause a denial of service via a crafted Ion binary document containing a declared-length field that causes excessive heap preallocation.
To remediate this issue, users should upgrade to version 1.12.0.
To remediate this issue, users should upgrade to version 1.12.0.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://github.com/amazon-ion/ion-java/releases/tag/v1.12.0 |
|
History
Tue, 18 Aug 2026 19:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Uncontrolled memory allocation in the binary Ion stream cursor in Amazon ion-java before 1.12.0 might allow remote actors to cause a denial of service via a crafted Ion binary document containing a declared-length field that causes excessive heap preallocation. To remediate this issue, users should upgrade to version 1.12.0. | |
| Title | Memory-amplification denial of service via declared-length preallocation in Amazon ion-java | |
| First Time appeared |
Amazon Ion
Amazon Ion amazon Ion Java |
|
| Weaknesses | CWE-789 | |
| CPEs | cpe:2.3:a:amazon_ion:amazon_ion_java:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Amazon Ion
Amazon Ion amazon Ion Java |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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MITRE
Status: PUBLISHED
Assigner: AMZN
Published:
Updated: 2026-08-18T19:43:58.090Z
Reserved: 2026-08-18T15:50:50.728Z
Link: CVE-2026-75935
Vulnrichment
No data.
NVD
No data.
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses