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CVE-2026-91779— GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset 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.

GNU Binutils是美国GNU基金会开源的一套二进制工具集合。 GNU Binutils 2.47版本存在安全漏洞，该漏洞源于Eh Frame Handler组件中文件bfd/elf-eh-frame.c的函数_bfd_elf_eh_frame_section_offset存在空指针取消引用，本地攻击者可利用该漏洞导致拒绝服务。

CVSS 3.3 · Low EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
GNU Binutils 2.47 affected
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I. Basic Information for CVE-2026-91779

Vulnerability Information
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Vulnerability Title
GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in GNU Binutils 2.47. This affects the function _bfd_elf_eh_frame_section_offset of the file bfd/elf-eh-frame.c of the component Eh Frame Handler. Performing a manipulation results in null pointer dereference. The attack must be initiated from a local position. 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:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
GNU Binutils 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU Binutils是美国GNU基金会开源的一套二进制工具集合。 GNU Binutils 2.47版本存在安全漏洞，该漏洞源于Eh Frame Handler组件中文件bfd/elf-eh-frame.c的函数_bfd_elf_eh_frame_section_offset存在空指针取消引用，本地攻击者可利用该漏洞导致拒绝服务。
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 2.47 cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-91779

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III. Intelligence Information for CVE-2026-91779

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Vendor Advisories for CVE-2026-91779 (1)

Vendor Pages for CVE-2026-91779 (1)

Other References for CVE-2026-91779 (1)

Same Patch Batch · GNU · 2026-09-15 · 5 CVEs total

CVE-2026-91752 7.5 HIGH GNU libextractor before 1.15 Stack Overflow via OLE2
CVE-2026-91780 3.3 LOW GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference
CVE-2026-91781 3.3 LOW GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer deref
CVE-2026-91782 3.3 LOW GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null poi

IV. Related Vulnerabilities

Same product: Binutils
Same vendor: GNU
Same weakness: CWE-476