CVE-2026-90829
GNU Binutils SHT_GROUP Section elf.c bfd_elf_set_group_contents null pointer dereference
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 14, 2026
- Updated
- Sep 15, 2026
- Reserved
- Sep 13, 2026
Description
A weakness has been identified in GNU Binutils 2.47. This issue affects the function bfd_elf_set_group_contents of the file bfd/elf.c of the component SHT_GROUP Section Handler. 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.
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-403331 | GNU Binutils SHT_GROUP Section elf.c bfd_elf_set_group_contents null pointer dereferencevdb-entrytechnical-description
- VDB-403331 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-90829 | CVE Analysis and Reportthird-party-advisory
- Submit #925228 | GNU Binutils 2.47 Memory Corruptionthird-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34451issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16883exploit
- https://www.gnu.org/broken-linkproduct
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