CVE-2026-91780
Low
No strong exploitation signal.
CVSS base
3.3
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS — probability of exploitation (30 days)
0.1%
1.9th percentile
CISA KEV
Not listed
Weakness / dates
CWE-404
Published 2026-09-15 · modified 2026-09-16
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | L | Low |
Timeline
- 2026-09-15 — Published (NVD)
- 2026-09-16 — Last modified (NVD)
Description
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.
Affected
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