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CVE-2025-11083— GNU Binutils Linker elfcode.h elf_swap_shdr heap-based overflow

Quick assessment

Affected
GNU Binutils
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.

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 2.45版本存在安全漏洞，该漏洞源于bfd/elfcode.h库中elf_swap_shdr函数存在堆缓冲区溢出，可能导致本地攻击。

CVSS 5.3 · Medium EPSS 0.26% · P16

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
GNU Binutils 2.45 affected
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I. Basic Information for CVE-2025-11083

Vulnerability Information
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Vulnerability Title
GNU Binutils Linker elfcode.h elf_swap_shdr heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in GNU Binutils 2.45. The affected element is the function elf_swap_shdr in the library bfd/elfcode.h of the component Linker. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is 9ca499644a21ceb3f946d1c179c38a83be084490. To fix this issue, it is recommended to deploy a patch. The code maintainer replied with "[f]ixed for 2.46".
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 2.45版本存在安全漏洞，该漏洞源于bfd/elfcode.h库中elf_swap_shdr函数存在堆缓冲区溢出，可能导致本地攻击。
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-2025-11083

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III. Intelligence Information for CVE-2025-11083

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Vendor Pages for CVE-2025-11083 (1)

Same Patch Batch · GNU · 2025-09-27 · 3 CVEs total

CVE-2025-11082 5.3 MEDIUM GNU Binutils Linker elf-eh-frame.c _bfd_elf_parse_eh_frame heap-based overflow
CVE-2025-11081 3.3 LOW GNU Binutils objdump.c dump_dwarf_section out-of-bounds

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-11083

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