A vulnerability was detected in GNU Binutils 2.47. Affected by this issue is the function _bfd_elf_write_section_eh_frame of the file bfd/elf-eh-frame.c of the component Eh Frame Section Handler. Performing a manipulation of the argument cie_length/fde_length/augmentation_data_size/write_offset results in buffer overflow.
Attacking locally is a requirement. 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.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 7
https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20write%20%20negati…
cna@vuldb.com
https://sourceware.org/bugzilla/show_bug.cgi?id=34445
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-90804
cna@vuldb.com
https://vuldb.com/submit/920281
cna@vuldb.com
https://vuldb.com/vuln/403306
cna@vuldb.com
https://vuldb.com/vuln/403306/cti
cna@vuldb.com
https://www.gnu.org/
cna@vuldb.com