CVE-2026-90802— GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference
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.
在 GNU Binutils 2.47 中发现了一个安全漏洞。受影响的是 组件中 文件里的 函数。该操作会导致空指针解引用。攻击需要本地访问权限。利用该漏洞的测试代码（exploit）已公开，可被用于发起攻击。项目方通过漏洞报告较早得知了该问题，但至今尚未做出回应。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-90802
Vulnerability Information
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Vulnerability Title
GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in GNU Binutils 2.47. Affected is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. This manipulation causes null pointer dereference. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-90802
| # | POC Description | Source Link | Shenlong Link |
|---|
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Proof of Concept for CVE-2026-90802 (1)
Vendor Pages for CVE-2026-90802 (1)
Other References for CVE-2026-90802 (1)
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Same Patch Batch · GNU · 2026-09-14 · 5 CVEs total
| CVE-2026-90801 | 5.3 MEDIUM | GNU Binutils ld cache.c cache_bwrite buffer overflow |
| CVE-2026-90803 | 5.3 MEDIUM | GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section buffer overflow |
| CVE-2026-90804 | 4.8 MEDIUM | GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_section_eh_frame buffer overfl |
| CVE-2026-90622 | 3.3 LOW | GNU libredwg Layer Encoding dwg.spec DWG_TABLE null pointer dereference |
IV. Related Vulnerabilities
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V. Comments for CVE-2026-90802
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