CVE-2026-90831
GNU Binutils ELF String Table elf-strtab.c _bfd_elf_strtab_delref memory corruption
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 14, 2026
- Updated
- Sep 16, 2026
- Reserved
- Sep 13, 2026
Description
A vulnerability was detected in GNU Binutils 2.47. The affected element is the function _bfd_elf_strtab_delref of the file bfd/elf-strtab.c of the component ELF String Table. The manipulation results in memory corruption. The attack requires a local approach. The exploit is now public 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
- CWE-119 Memory Corruption
Affected Products
| Product | Versions |
|---|---|
BinutilsGNU |
|
References
- VDB-403333 | GNU Binutils ELF String Table elf-strtab.c _bfd_elf_strtab_delref memory corruptionvdb-entrytechnical-description
- VDB-403333 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-90831 | CVE Analysis and Reportthird-party-advisory
- Submit #925230 | GNU Binutils 2.47 Memory Corruptionthird-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34454issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16886exploit
- https://www.gnu.org/broken-linkproduct
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