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CVE-2025-12829

Quick assessment

Affected
Amazon Ion-C
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Amazon Ion C是amazon-ion开源的一个Amazon Ion的C语言实现。 Amazon Ion C v1.1.4之前版本存在安全漏洞，该漏洞源于未初始化栈读取问题，可能导致UTF-8转义序列暴露内存中的敏感数据。

CVSS 6.2 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-12829

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Amazon Ion C 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon Ion C是amazon-ion开源的一个Amazon Ion的C语言实现。 Amazon Ion C v1.1.4之前版本存在安全漏洞，该漏洞源于未初始化栈读取问题，可能导致UTF-8转义序列暴露内存中的敏感数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Amazon Ion-C - -

II. Public POCs for CVE-2025-12829

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III. Intelligence Information for CVE-2025-12829

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Vendor Advisories for CVE-2025-12829 (1)

IV. Related Vulnerabilities

Same product: Ion-C
Same vendor: Amazon
Same weakness: CWE-125

V. Comments for CVE-2025-12829

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