CVE-2026-90801— GNU Binutils ld cache.c cache_bwrite buffer 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.
在 GNU Binutils 2.47 中发现了一个安全漏洞。该漏洞影响 组件中 文件里的 函数。通过对参数 的操作可导致缓冲区溢出。该攻击需要本地方式发起。利用该漏洞的利用代码已经公开，可被用于发起攻击。项目方早前已通过 bug 报告获知该问题，但尚未做出回应。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-90801
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
GNU Binutils ld cache.c cache_bwrite buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may 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:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-90801
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-90801
请登录查看更多情报信息。
Proof of Concept for CVE-2026-90801 (1)
Vendor Pages for CVE-2026-90801 (1)
Other References for CVE-2026-90801 (1)
Same Patch Batch · GNU · 2026-09-14 · 5 CVEs total
| 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-2026-90802 | 4.4 MEDIUM | GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference |
| CVE-2026-90622 | 3.3 LOW | GNU libredwg Layer Encoding dwg.spec DWG_TABLE null pointer dereference |
IV. Related Vulnerabilities
Same product: Binutils
-
CVE-2026-90804
GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_ -
CVE-2026-90803
GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section b -
CVE-2026-90802
GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference -
CVE-2025-11840
GNU Binutils ldmisc.c vfinfo out-of-bounds -
CVE-2025-11839
GNU Binutils prdbg.c tg_tag_type return value
Same vendor: GNU
-
CVE-2026-90804
GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_ -
CVE-2026-90803
GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section b -
CVE-2026-90802
GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference -
CVE-2026-90622
GNU libredwg Layer Encoding dwg.spec DWG_TABLE null pointer -
CVE-2026-16599
Denial of Service in GNU wget
Same weakness: CWE-120
-
CVE-2026-55209
resdata insufficiently validates untrusted GRDECL files -
CVE-2026-90804
GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_ -
CVE-2026-90803
GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section b -
CVE-2026-82772
Contec EC1000系列Web服务堆溢出漏洞 -
CVE-2026-82770
Contec RP-WAH-SR 缓冲区溢出远程代码执行漏洞
V. Comments for CVE-2026-90801
No comments yet