UBUNTU-CVE-2026-92387
- Source
- https://ubuntu.com/security/CVE-2026-92387
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-92387.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-92387
- Upstream
- CVE-2026-92387
- Downstream
USN (2)
- Related
- Published
- 2026-10-14T06:00:00Z
- Modified
- 2026-10-31T03:30:15Z
- Severity
-
- 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Ubuntu - low
- Summary
- [none]
- Details
-
By permanently omitting the final control-response line, a malicious FTP, IMAP, POP3, or SMTP server can exploit libcurl and completely bypass its configured transfer timeout mechanism, indefinitely blocking all concurrent transfers bound to the same multi-handle.
- References
Affected packages
Ubuntu:26.10 / curl
Package
- Name
- curl
- Purl
- pkg:deb/ubuntu/curl?arch=source&distro=stonking
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed8.20.0-2ubuntu11.1
Affected versions
8.*
8.18.0-1ubuntu2
8.20.0-2ubuntu1
8.20.0-2ubuntu3
8.20.0-2ubuntu10
8.20.0-2ubuntu11
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "curl",
"binary_version": "8.20.0-2ubuntu11.1"
},
{
"binary_name": "libcurl3t64-gnutls",
"binary_version": "8.20.0-2ubuntu11.1"
},
{
"binary_name": "libcurl4t64",
"binary_version": "8.20.0-2ubuntu11.1"
}
],
"priority_reason": "Upstream defined this as low severity"
}
Ubuntu:26.04:LTS / curl
Package
- Name
- curl
- Purl
- pkg:deb/ubuntu/curl?arch=source&distro=resolute
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed8.18.0-1ubuntu2.8
Affected versions
8.*
8.14.1-2ubuntu1
8.17.0-1ubuntu1
8.18.0-1ubuntu1
8.18.0-1ubuntu2
8.18.0-1ubuntu2.1
8.18.0-1ubuntu2.2
8.18.0-1ubuntu2.3
8.18.0-1ubuntu2.4
8.18.0-1ubuntu2.5
8.18.0-1ubuntu2.7
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "curl",
"binary_version": "8.18.0-1ubuntu2.8"
},
{
"binary_name": "libcurl3t64-gnutls",
"binary_version": "8.18.0-1ubuntu2.8"
},
{
"binary_name": "libcurl4t64",
"binary_version": "8.18.0-1ubuntu2.8"
}
],
"priority_reason": "Upstream defined this as low severity"
}