CVE-2026-91781GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• VDB-404052 | GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference vdb-entrytechnical-descriptionThird Party Advisory
• VDB-404052 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-requiredPermissions Required
• CVE-2026-91781 | CVE Analysis and Report third-party-advisoryThird Party Advisory
• Submit #933336 | GNU GNU Binutils binutils 2.47 NULL Pointer Dereference third-party-advisoryThird Party Advisory
• https://sourceware.org/bugzilla/show_bug.cgi?id=34449 issue-trackingExploitThird Party Advisory
• https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449 exploitThird Party Advisory
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68 broken-linkpatchThird Party Advisory
• https://www.gnu.org/ broken-linkproductProduct