# CVE-2026-90801

## Summary

- **CVE ID:** CVE-2026-90801
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (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)
- **CWE:** CWE-120, CWE-119
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## 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.

## Affected Products

- GNU — Binutils (2.47)

## References

- [CNA](https://vuldb.com/vuln/403303)
- [CNA](https://vuldb.com/vuln/403303/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90801)
- [CNA](https://vuldb.com/submit/920276)
- [CNA](https://sourceware.org/bugzilla/show_bug.cgi?id=34442)
- [CNA](https://github.com/r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache.c436)%20via%20malformed%20ELF%20with%20%60--gc-sections%20-w%60.md)
- [CNA](https://www.gnu.org/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.13%
- **EPSS Percentile:** 3.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._