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.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142298 advisory.

    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.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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. (CVE-2026-91781)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2026-91781)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
370113	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: gdb (UTSA-2026-142298)	Nessus	Unity Linux Local Security Checks	Local	medium
459016	Echo: binutils: security update to 2.45.90.20260201+really2.45.50.20251201-1+e10	Tenable Cloud Security	Echo Local Security Checks	Local	medium
459016	Echo: binutils: security update to 2.45.90.20260201+really2.45.50.20251201-1+e10	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
349297	Linux Distros Unpatched Vulnerability : CVE-2026-91781	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-91781

medium

Tenable Plugins

medium

medium

medium

medium