CVE-2026-3805: high-severity vulnerability in curl
use after free in SMB connection reuse
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.9%
When doing a second SMB request to the same host again, curl would wrongly use
a data pointer pointing into already freed memory.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
curl · curlRelated CVEs — curl
In the same product, most dangerous first.