A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow.
The attack requires a local approach. The exploit has been released to the public and may be used for attacks. 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
None
No user interaction needed
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-buffer-overflow%20in%20%6…
cna@vuldb.com
https://sourceware.org/bugzilla/show_bug.cgi?id=34442
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-90801
cna@vuldb.com
https://vuldb.com/submit/920276
cna@vuldb.com
https://vuldb.com/vuln/403303
cna@vuldb.com
https://vuldb.com/vuln/403303/cti
cna@vuldb.com
https://www.gnu.org/
cna@vuldb.com