CVE-2026-90801
GNU Binutils ld cache.c cache_bwrite buffer overflow
Description
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.
INFO
Published Date :
Sept. 14, 2026, 4:15 p.m.
Last Modified :
Sept. 14, 2026, 4:15 p.m.
Remotely Exploit :
No
Source :
VulDB
Solution
- Update GNU Binutils to the latest stable version.
- Apply vendor-provided patches for Binutils 2.47.
- Review and sanitize nbytes argument in cache_bwrite.
- Restrict local access to sensitive system components.
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