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CVE-2025-7545— GNU Binutils objcopy.c copy_section heap-based overflow

Quick assessment

Affected
GNU Binutils
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GNU Binutils（GNU Binary Utilities）是美国GNU社区的开发的一组编程语言工具程序。该程序主要用于处理多种格式的目标文件，并提供有连接器、汇编器和其他用于目标文件和档案的工具。 GNU Binutils（GNU Binary Utilities） 2.45版本存在安全漏洞，该漏洞源于对文件binutils/objcopy.c中函数copy_section的错误操作导致堆缓冲区溢出。

CVSS 5.3 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
GNU Binutils 2.45 affected
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I. Basic Information for CVE-2025-7545

Vulnerability Information
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Vulnerability Title
GNU Binutils objcopy.c copy_section heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as problematic was found in GNU Binutils 2.45. Affected by this vulnerability is the function copy_section of the file binutils/objcopy.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The patch is named 08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944. It is recommended to apply a patch to fix this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
GNU Binutils 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU Binutils（GNU Binary Utilities）是美国GNU社区的开发的一组编程语言工具程序。该程序主要用于处理多种格式的目标文件，并提供有连接器、汇编器和其他用于目标文件和档案的工具。 GNU Binutils（GNU Binary Utilities） 2.45版本存在安全漏洞，该漏洞源于对文件binutils/objcopy.c中函数copy_section的错误操作导致堆缓冲区溢出。
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
GNU Binutils 2.45 -

II. Public POCs for CVE-2025-7545

# POC Description Source Link Shenlong Link
1 None https://github.com/alxsourin/Firmware-CVE-2025-7545 POC Details
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III. Intelligence Information for CVE-2025-7545

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Vendor Pages for CVE-2025-7545 (1)

Other References for CVE-2025-7545 (2)

IV. Related Vulnerabilities

Same product: Binutils
Same vendor: GNU
Same weakness: CWE-122

V. Comments for CVE-2025-7545

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