CVE-2026-91782GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null pointer dereference

Descripción

A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.

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-404053 | GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null pointer dereference vdb-entrytechnical-descriptionPermissions Required
• VDB-404053 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-requiredPermissions Required
• CVE-2026-91782 | CVE Analysis and Report third-party-advisoryThird Party Advisory
• Submit #933335 | GNU GNU Binutils binutils 2.47 NULL Pointer Dereference third-party-advisoryExploit
• https://sourceware.org/bugzilla/show_bug.cgi?id=34448 broken-linkissue-trackingExploitThird Party Advisory
• https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34448 exploitThird Party Advisory
• https://www.gnu.org/ broken-linkproductProduct