3.3Low
CVE-2026-91780
A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. 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
- 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/34447
- https://sourceware.org/bugzilla/show_bug.cgi?id=34447
- https://vuldb.com/cve/CVE-2026-91780
- https://vuldb.com/submit/933334
- https://vuldb.com/vuln/404051
- https://vuldb.com/vuln/404051/cti
- https://www.gnu.org/
- https://sourceware.org/bugzilla/show_bug.cgi?id=34447
- https://vuldb.com/submit/933334