4.4Medium
Gnu Binutils
CVE-2026-90802
A weakness has been identified in GNU Binutils 2.47. Affected is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. This manipulation causes null pointer dereference. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.
What this means for your business
- It affects Gnu Binutils. It matters if your company, or a supplier that handles your data, runs it.
- Code showing how to exploit it has been published, but real attacks have not been confirmed.
- 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
- 1Check whether your company or your suppliers run Gnu Binutils, and which version. The affected versions are listed further down this page.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
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Scoring
- CVSS
- 4.4 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L- CVSS v4
- 1.9
- Weakness
- CWE-404
- Assigned by
- cna@vuldb.com
Dates
- Published
- 2026-09-14
- Last modified
- 2026-09-18
- Sources
- NVD
Affected products
- Gnu Binutils2.47
As listed in the NVD configuration data. Not a statement about your estate.
References
- https://github.com/r1ck9-2q/cve_summit/blob/main/SEGV%20in%20%60bfd_putl64%60%20(bfdlibbfd.c989)%20during%20relocation%20output%20via%20malformed%20ELF.md
- https://sourceware.org/bugzilla/show_bug.cgi?id=34443
- https://vuldb.com/cve/CVE-2026-90802
- https://vuldb.com/submit/920277
- https://vuldb.com/vuln/403304
- https://vuldb.com/vuln/403304/cti
- https://www.gnu.org/