{"id":"CVE-2026-90830","aliases":["DEBIAN-CVE-2026-90830","EUVD-2026-78215","GHSA-4xpf-8h39-fxrf","RHSA-2026:47171","UBUNTU-CVE-2026-90830"],"status":"published","title":"GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereference","description":"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.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00165,"percentile":0.05741,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-404","CWE-476"],"published":"2026-07-29T10:11:39Z","modified":"2026-10-28T02:31:09Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"binutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.40-2","2.40.50.20230111-1","2.40.50.20230215-1","2.40.50.20230501-1","2.40.50.20230510-1","2.40.50.20230602-1","2.40.50.20230611-1","2.40.50.20230611-2","2.40.50.20230622-1","2.40.50.20230625-1","2.40.50.20230630-1","2.40.90.20230705-1","2.40.90.20230714-1","2.40.90.20230714-2","2.40.90.20230720-1","2.40.90.20230729-1","2.40.90.20230729-2","2.41-1","2.41-2","2.41-3","2.41-4","2.41-5","2.41-6","2.41-7","2.41.50.20230731-1","2.41.50.20230803-1","2.41.50.20230905-1","2.41.50.20231010-1","2.41.50.20231101-1","2.41.50.20231125-1","2.41.50.20231202-1","2.41.50.20231206-1","2.41.50.20231214-1","2.41.50.20231227-1","2.41.90.20240115-1","2.41.90.20240122-1","2.42-1","2.42-2","2.42-2+hurd.1","2.42-3","2.42-4","2.42.50.20240614-1","2.42.50.20240618-1","2.42.50.20240625-1","2.42.50.20240710-1","2.42.90.20240720-1","2.42.90.20240720-2","2.43-1","2.43-2","2.43.1-1","2.43.1-2","2.43.1-3","2.43.1-4","2.43.1-5","2.43.50.20240817-1","2.43.50.20240909-1","2.43.50.20241004-1","2.43.50.20241112-1","2.43.50.20241126-1","2.43.50.20241126-2","2.43.50.20241126-3","2.43.50.20241204-1","2.43.50.20241204-2","2.43.50.20241210-1","2.43.50.20241215-1","2.43.50.20241221-1","2.43.50.20241230-1","2.43.50.20250108-1","2.43.90.20250122-1","2.43.90.20250122-2","2.43.90.20250127-1","2.43.90.20250202-1","2.44-1","2.44-2","2.44-3","2.44.50.20250201-1","2.44.50.20250207-1","2.44.50.20250218-1","2.44.50.20250218-2","2.44.50.20250309-1","2.44.50.20250405-1","2.44.50.20250502-1","2.44.50.20250520-1","2.44.50.20250528-1","2.44.50.20250707-1","2.44.90.20250719-1","2.45-1","2.45-2","2.45-3","2.45-4","2.45-5","2.45-6","2.45-7","2.45-8","2.45.50.20250813-1","2.45.50.20250903-1","2.45.50.20251005-1","2.45.50.20251023-1","2.45.50.20251023-2","2.45.50.20251122-1","2.45.50.20251125-1","2.45.50.20251201-1","2.45.50.20251209-1","2.45.50.20260116-1","2.45.50.20260119-1","2.45.90.20260125-1","2.45.90.20260201-1","2.46-1","2.46-2","2.46-3","2.46.50.20260216-1","2.46.50.20260509-1","2.46.50.20260519-1","2.46.50.20260608-1","2.46.50.20260617-1","2.46.90.20260712-1","2.47-1","2.47-2","2.47-3","2.47-4","2.47-5","2.47-6","2.47.50.20260813-1","2.47.50.20260813-2","2.47.50.20260813-3","2.47.50.20260901-1"]},{"source":"osv","ecosystem":"Debian:13","package":"binutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.44-3","2.44.50.20250201-1","2.44.50.20250207-1","2.44.50.20250218-1","2.44.50.20250218-2","2.44.50.20250309-1","2.44.50.20250405-1","2.44.50.20250502-1","2.44.50.20250520-1","2.44.50.20250528-1","2.44.50.20250707-1","2.44.90.20250719-1","2.45-1","2.45-2","2.45-3","2.45-4","2.45-5","2.45-6","2.45-7","2.45-8","2.45.50.20250813-1","2.45.50.20250903-1","2.45.50.20251005-1","2.45.50.20251023-1","2.45.50.20251023-2","2.45.50.20251122-1","2.45.50.20251125-1","2.45.50.20251201-1","2.45.50.20251209-1","2.45.50.20260116-1","2.45.50.20260119-1","2.45.90.20260125-1","2.45.90.20260201-1","2.46-1","2.46-2","2.46-3","2.46.50.20260216-1","2.46.50.20260509-1","2.46.50.20260519-1","2.46.50.20260608-1","2.46.50.20260617-1","2.46.90.20260712-1","2.47-1","2.47-2","2.47-3","2.47-4","2.47-5","2.47-6","2.47.50.20260813-1","2.47.50.20260813-2","2.47.50.20260813-3","2.47.50.20260901-1"]},{"source":"osv","ecosystem":"Debian:14","package":"binutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.44-3","2.44.50.20250201-1","2.44.50.20250207-1","2.44.50.20250218-1","2.44.50.20250218-2","2.44.50.20250309-1","2.44.50.20250405-1","2.44.50.20250502-1","2.44.50.20250520-1","2.44.50.20250528-1","2.44.50.20250707-1","2.44.90.20250719-1","2.45-1","2.45-2","2.45-3","2.45-4","2.45-5","2.45-6","2.45-7","2.45-8","2.45.50.20250813-1","2.45.50.20250903-1","2.45.50.20251005-1","2.45.50.20251023-1","2.45.50.20251023-2","2.45.50.20251122-1","2.45.50.20251125-1","2.45.50.20251201-1","2.45.50.20251209-1","2.45.50.20260116-1","2.45.50.20260119-1","2.45.90.20260125-1","2.45.90.20260201-1","2.46-1","2.46-2","2.46-3","2.46.50.20260216-1","2.46.50.20260509-1","2.46.50.20260519-1","2.46.50.20260608-1","2.46.50.20260617-1","2.46.90.20260712-1","2.47-1","2.47-2","2.47-3","2.47-4","2.47-5","2.47-6","2.47.50.20260813-1","2.47.50.20260813-2","2.47.50.20260813-3","2.47.50.20260901-1"]},{"source":"osv","ecosystem":"Red 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