CVE-2026-91781

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.

• CWE-404
• CWE-476

• https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449Third Party Advisory
• https://sourceware.org/bugzilla/show_bug.cgi?id=34449Exploit, Third Party Advisory
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68Third Party Advisory
• https://vuldb.com/cve/CVE-2026-91781Third Party Advisory
• https://vuldb.com/submit/933336Third Party Advisory
• https://vuldb.com/vuln/404052Third Party Advisory
• https://vuldb.com/vuln/404052/ctiPermissions Required
• https://www.gnu.org/Product

Published

Sep 15, 2026

Last Modified

Sep 16, 2026

Status

Analyzed

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