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Status published
Medium
CVE-2025-12829
An uninitialized stack read issue exists in Amazon Ion-C versions...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Amazon
View all reports →Affected Software
Ion-C
Vulnerable Versions:
1.1.4
Timeline
Official Publish:
November 7th, 2025
Last Modified:
November 7th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N