CVE-2026-90830
GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereference
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 14, 2026
- Updated
- Sep 15, 2026
- Reserved
- Sep 13, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
BinutilsGNU |
|
References
- VDB-403332 | GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereferencevdb-entrytechnical-description
- VDB-403332 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-90830 | CVE Analysis and Reportthird-party-advisory
- Submit #925229 | GNU Binutils 2.47 Memory Corruptionthird-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34452issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16884exploit
- https://www.gnu.org/broken-linkproduct
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