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CVE-2026-90829— GNU Binutils SHT_GROUP Section elf.c bfd_elf_set_group_contents 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 中发现了一个安全缺陷。该问题位于组件 SHT_GROUP 节处理器的 文件中的 函数。通过特定的操作可能导致空指针解引用（null pointer dereference）漏洞。此攻击需要本地触发。相关利用代码已公开，可被用于发起攻击。项目方已通过缺陷报告较早地获知该问题，但截至目前尚未做出回应。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-90829

Vulnerability Information
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Vulnerability Title
GNU Binutils SHT_GROUP Section elf.c bfd_elf_set_group_contents null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in GNU Binutils 2.47. This issue affects the function bfd_elf_set_group_contents of the file bfd/elf.c of the component SHT_GROUP Section Handler. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. 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:L/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

Vendor Product Affected Versions CPE Subscribe
GNU Binutils 2.47 cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90829

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III. Intelligence Information for CVE-2026-90829

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Vendor Pages for CVE-2026-90829 (1)

Other References for CVE-2026-90829 (1)

Other References for CVE-2026-90829 (1)

Same Patch Batch · GNU · 2026-09-14 · 9 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-2026-90828 5.3 MEDIUM GNU Binutils ELF Orphan Section ldelf.c elf_orphan_compatible null pointer dereference
CVE-2026-90830 5.3 MEDIUM GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereference
CVE-2026-90831 5.3 MEDIUM GNU Binutils ELF String Table elf-strtab.c _bfd_elf_strtab_delref memory corruption
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
Same vendor: GNU
Same weakness: CWE-476

V. Comments for CVE-2026-90829

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