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Medium severity6.2OSV Advisory· Published Nov 7, 2025· Updated Apr 15, 2026

CVE-2025-12829

CVE-2025-12829

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Amazon Ion/Ion COSV2 versions
    v1.0.0, v1.0.1, v1.0.2, …+ 1 more
    • (no CPE)range: v1.0.0, v1.0.1, v1.0.2, …
    • (no CPE)range: <v1.1.4

Patches

Vulnerability mechanics

References

3

News mentions

0

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