PT-2026-24665 · Curl+2 · Curl+2

Daniel Wade + 1 · Published 2026-03-11 · Updated 2026-05-04 · CVE-2026-3805

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions curl (affected versions not specified)

Description The software is susceptible to a use-after-free issue when handling SMB connection reuse. Specifically, when a second SMB request is made to the same host, the software incorrectly utilizes a data pointer that has already been freed from memory. This can lead to unpredictable behavior and potential security consequences.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-04946

CVE-2026-3805

JLSEC-2026-439

OPENSUSE-SU-2026:10371-1

OPENSUSE-SU-2026:20404-1

RHSA-2026:6893

SUSE-SU-2026:0879-1

SUSE-SU-2026:0885-1

SUSE-SU-2026:0903-1

SUSE-SU-2026:0911-1

SUSE-SU-2026:20668-1

SUSE-SU-2026:20722-1

SUSE-SU-2026:20760-1

SUSE-SU-2026:20918-1

USN-8084-1

Affected Products

Linuxmint

Ubuntu

Curl

References · 65

• 🔥 https://hackerone.com/reports/3591944 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2026:20918-1 · Vendor Advisory
• https://curl.se/docs/CVE-2026-3805.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-3805 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10371-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-3805 · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2026-439 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-3805 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-3805 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20668-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3805 · Security Note
• https://ubuntu.com/security/CVE-2026-3784 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-1965 · Vendor Advisory
• https://osv.dev/vulnerability/CURL-CVE-2026-3805 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20404-1 · Vendor Advisory