CVE-2026-90804— GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_section_eh_frame 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 中检测到一个安全漏洞。该漏洞影响了 文件中 Eh Frame 节处理组件的 函数。在对参数 、 、 或 进行特定操作时，会引发缓冲区溢出。该漏洞需要本地访问权限才能利用。相关利用方式目前已公开，可被实际使用。项目方较早通过缺陷报告获悉了该问题，但尚未作出回应。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-90804
Vulnerability Information
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Vulnerability Title
GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_section_eh_frame buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in GNU Binutils 2.47. Affected by this issue is the function _bfd_elf_write_section_eh_frame of the file bfd/elf-eh-frame.c of the component Eh Frame Section Handler. Performing a manipulation of the argument cie_length/fde_length/augmentation_data_size/write_offset results in buffer overflow. Attacking locally is a requirement. The exploit is now public and may be used. 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:R/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-2026-90804
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Proof of Concept for CVE-2026-90804 (1)
Vendor Pages for CVE-2026-90804 (1)
Other References for CVE-2026-90804 (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-2026-90802 | 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
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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-2026-90801
GNU Binutils ld cache.c cache_bwrite buffer overflow -
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
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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-2026-90801
GNU Binutils ld cache.c cache_bwrite buffer overflow -
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-2026-90803
GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section b -
CVE-2026-90801
GNU Binutils ld cache.c cache_bwrite buffer overflow -
CVE-2026-82772
Contec EC1000系列Web服务堆溢出漏洞 -
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Contec RP-WAH-SR 缓冲区溢出远程代码执行漏洞
V. Comments for CVE-2026-90804
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