UBUNTU-CVE-2026-3805

Source
https://ubuntu.com/security/CVE-2026-3805
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3805.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-3805
Upstream
Downstream
Related
Published
2026-03-11T18:00:00Z
Modified
2026-03-14T09:21:37.551028Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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

References

Affected packages

Ubuntu:25.10 / curl

Package

Name
curl
Purl
pkg:deb/ubuntu/curl@8.14.1-2ubuntu1.2?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.14.1-2ubuntu1.2

Affected versions

8.*
8.12.1-3ubuntu1
8.13.0-5ubuntu1
8.14.1-1ubuntu2
8.14.1-1ubuntu3
8.14.1-2ubuntu1
8.14.1-2ubuntu1.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "curl",
            "binary_version": "8.14.1-2ubuntu1.2"
        },
        {
            "binary_name": "libcurl3t64-gnutls",
            "binary_version": "8.14.1-2ubuntu1.2"
        },
        {
            "binary_name": "libcurl4-gnutls-dev",
            "binary_version": "8.14.1-2ubuntu1.2"
        },
        {
            "binary_name": "libcurl4-openssl-dev",
            "binary_version": "8.14.1-2ubuntu1.2"
        },
        {
            "binary_name": "libcurl4t64",
            "binary_version": "8.14.1-2ubuntu1.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3805.json"