NULL pointer dereference in 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (7.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- GNU Binutils — versions 2.47
Weakness classification (CWE)
References
- vuldb.com/vuln/403304 (Permissions Required, technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/403304/cti (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
- vuldb.com/cve/CVE-2026-90802 (Permissions Required, VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/submit/920277 (Permissions Required, VDB Entry, Third Party Advisory, third-party-advisory)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Exploit, Third Party Advisory)
- github.com/r1ck9-2q/cve_summit/blob/main/SEGV in `bfd_putl64` (bfdlibbfd.c989)… (Exploit, Third Party Advisory, exploit, Mitigation)
- www.gnu.org/ (Product, product, broken-link)
Frequently asked questions
- What is CVE-2026-90802?
- CVE-2026-90802 is a medium-severity vulnerability in GNU Binutils, classified under Improper Resource Shutdown or Release. CVSS score: 4.4/10. Published 2026-09-14.
- How severe is CVE-2026-90802?
- Medium severity. CVSS v3 base score is 4.4 out of 10.