CVE-2026-91779

A vulnerability was detected in GNU Binutils 2.47 in the function elf_x86_allocate_dynrelocs in bfd/elfxx-x86.c, leading to a null pointer dereference. The attack requires local access, and the exploit is public.

A vulnerability was detected in GNU Binutils 2.47 in the function elf_x86_64_common_section_index in bfd/elf64-x86-64.c, leading to a null pointer dereference. The attack requires local access, and the exploit is public.

A vulnerability was detected in GNU Binutils 2.47 in the function elf_link_add_object_symbols in bfd/elflink.c, leading to a null pointer dereference. The attack requires local access, and the exploit is public.

A vulnerability was detected in GNU Binutils 2.47 in the function _bfd_elf_strtab_delref of file bfd/elf-strtab.c, related to the ELF String Table. The manipulation results in memory corruption. The attack requires local access and the exploit is publicly available.

A security vulnerability has been detected in GNU Binutils 2.47 in the function _bfd_write_merged_section of file bfd/merge.c, related to Section Merge. The manipulation leads to a null pointer dereference. The attack requires local access and the exploit has been publicly disclosed.

A weakness has been identified in GNU Binutils 2.47 in the function bfd_elf_set_group_contents of file bfd/elf.c, related to the SHT_GROUP Section Handler. The manipulation can lead to a null pointer dereference. The attack requires local access and the exploit is publicly available.

A security flaw has been discovered in GNU Binutils 2.47 in the function elf_orphan_compatible of file ld/ldelf.c, related to the ELF Orphan Section Handler. The manipulation results in a null pointer dereference. The attack requires local access and the exploit has been publicly released.

In GNU Binutils 2.47, a vulnerability was detected in the function _bfd_elf_write_section_eh_frame in the file bfd/elf-eh-frame.c, in the Eh Frame Section Handler component. Manipulation of the arguments cie_length/fde_length/augmentation_data_size/write_offset leads to a buffer overflow. The attack requires local access.

In GNU Binutils 2.47, a vulnerability was detected in the function elf_x86_64_relocate_section in the file bfd/elf64-x86-64.c, in the ld component. Manipulation of the argument roff leads to a buffer overflow. The attack requires local access. A fix is available in version 2.48.

In GNU Binutils 2.47, a weakness was identified in the function bfd_putl64 in the file bfd/libbfd.c, in the ld component. This manipulation causes a null pointer dereference. The attack requires local access.