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CVE-2025-14549— OMR on Z processors Exposing a possible buffer over-read problem

Quick assessment

Affected
Eclipse OMR Eclipse OMR
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.

Eclipse OMR是Eclipse基金会的一款用于构建语言运行时环境的开源工具包。 Eclipse OMR 0.8.0之前版本存在缓冲区错误漏洞，该漏洞源于字符转换过程中错误处理NUL字符，可能导致缓冲区过度读取。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.30% · P20

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-14549

Vulnerability Information
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Vulnerability Title
OMR on Z processors Exposing a possible buffer over-read problem
Source: CVE Program / CVE List V5
Vulnerability Description
In the Eclipse OMR compiler component, since release 0.7.0, an optimization enabled for Eclipse OpenJ9 consumers of OMR on Z processors incorrectly handles NUL (0x00) characters during the Latin-compatible charset (UTF-8, ISO8859-1, ASCII, etc) to IBM-1047/037 translation sequence. This can cause the output byte array to be truncated, discarding the first NUL byte and all subsequent characters, and thereby exposing a possible buffer over-read problem. This issue is fixed in Eclipse OMR version 0.8.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse OMR 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse OMR是Eclipse基金会的一款用于构建语言运行时环境的开源工具包。 Eclipse OMR 0.8.0之前版本存在缓冲区错误漏洞，该漏洞源于字符转换过程中错误处理NUL字符，可能导致缓冲区过度读取。
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
Eclipse OMR Eclipse OMR 0.7.0 -

II. Public POCs for CVE-2025-14549

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III. Intelligence Information for CVE-2025-14549

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Patches & Fixes for CVE-2025-14549 (1)

IV. Related Vulnerabilities

Same product: Eclipse OMR
Same weakness: CWE-125

V. Comments for CVE-2025-14549

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