GNU Binutils Linker elflink.c bfd_elf_gc_record_vtentry out-of-bounds

A vulnerability has been found in GNU Binutils 2.45. This impacts the function bfd_elf_gc_record_vtentry of the file bfd/elflink.c of the component Linker. The manipulation leads to out-of-bounds read. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The identifier of the patch is 047435dd988a3975d40c6626a8f739a0b2e154bc. To fix this issue, it is recommended to deploy a patch.

Source published

7 Oct 2025 22:02:08 UTC

Source modified

15 Oct 2026 01:02:28 UTC

Observed here

23 Oct 2026 15:48:27 UTC

Source terms

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CVSS 4.0 · 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1 · 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

CVSS 3.0 · 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

CVSS 2.0 · 1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C