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.
What this means for your business
- An attacker can use it only with access to the machine itself, with an ordinary user login, and without anyone at your company clicking anything.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
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Scoring
- CVSS
- 3.3 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L- CVSS v4
- 1.9
- Weakness
- CWE-404
- Assigned by
- cna@vuldb.com
Dates
- Published
- 2026-09-15
- Last modified
- 2026-09-15
- Sources
- NVD
References
- https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449
- https://sourceware.org/bugzilla/show_bug.cgi?id=34449
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68
- https://vuldb.com/cve/CVE-2026-91781
- https://vuldb.com/submit/933336
- https://vuldb.com/vuln/404052
- https://vuldb.com/vuln/404052/cti
- https://www.gnu.org/