NULL pointer dereference in GNU Binutils
CVE-2026-90830
A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_section of the file bfd/merge.c of the component Section Merge. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. 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 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (5.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.7% 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/403332 (technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/403332/cti (signature, Permissions Required, permissions-required)
- vuldb.com/cve/CVE-2026-90830 (Third Party Advisory, third-party-advisory)
- vuldb.com/submit/925229 (Third Party Advisory, third-party-advisory)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Third Party Advisory, Issue Tracking)
- sourceware.org/bugzilla/attachment.cgi (Third Party Advisory, exploit, Issue Tracking)
- www.gnu.org/ (Product, product, broken-link)
Frequently asked questions
- What is CVE-2026-90830?
- CVE-2026-90830 is a medium-severity vulnerability in GNU Binutils, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-09-14.
- How severe is CVE-2026-90830?
- Medium severity. CVSS v3 base score is 5.3 out of 10.