Bug 2533630 (CVE-2026-91781)

Summary: CVE-2026-91781 binutils: GNU Binutils: Local denial of service vulnerability
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in GNU Binutils. A local attacker could exploit a null pointer dereference vulnerability in the ELF Section Handler. This could lead to a Denial of Service (DoS), making the affected system or application unavailable.
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Description OSIDB Bzimport 2026-09-15 09:03:21 UTC 
A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.