# CVE-2026-3805

## Summary

- **CVE ID:** CVE-2026-3805
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-416
- **Published:** Mar 11, 2026
- **Last Modified:** Sep 17, 2026

## Description

When doing a second SMB request to the same host again, curl would wrongly use
a data pointer pointing into already freed memory.

## Affected Products

- curl — curl (8.18.0)
- curl — curl (8.17.0)
- curl — curl (8.16.0)
- curl — curl (8.15.0)
- curl — curl (8.14.1)
- curl — curl (8.14.0)
- curl — curl (8.13.0)
- curl — curl (f4831daa9b2a97e8a2921d6b62cc4dfdd0d8646e)

## References

- [CNA](https://curl.se/docs/CVE-2026-3805.json)
- [CNA](https://curl.se/docs/CVE-2026-3805.html)
- [CNA](https://hackerone.com/reports/3591944)
- [CVE](http://www.openwall.com/lists/oss-security/2026/03/11/4)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.74%
- **EPSS Percentile:** 53.0

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