CVE-2026-3805

HIGH

curl - Use After Free

Title source: llm

Description

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

Exploits (1)

nomisec WRITEUP
by Rat5ak · poc
https://github.com/Rat5ak/CVE-2026-3805-curl-SMB-UAF

References (4)

Scores

CVSS v3 7.5
EPSS 0.0003
EPSS Percentile 8.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (1)
haxx/curl 8.13.0 - 8.19.0
Published Mar 11, 2026
Tracked Since Mar 11, 2026