Description

An uninitialized stack read issue exists in Amazon Ion-C versions <v1.1.4 that may allow a threat actor to craft data and serialize it to Ion text in such a way that sensitive data in memory could be exposed through UTF-8 escape sequences. To mitigate this issue, users should upgrade to version v1.1.4.

INFO

Published Date :

2025-11-07T18:04:15.700Z

Last Modified :

2025-11-07T18:13:55.938Z

Source :

AMZN
AFFECTED PRODUCTS

The following products are affected by CVE-2025-12829 vulnerability.

Vendors Products
Amazon
  • Ion
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-12829.

URL Resource
https://aws.amazon.com/security/security-bulletins/AWS-2025-027/ cve-icon cve-icon
https://github.com/amazon-ion/ion-c/releases/tag/v1.1.4 cve-icon cve-icon
https://github.com/amazon-ion/ion-c/security/advisories/GHSA-7mgf-6x73-5h7r cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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SS Confidentiality
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact