DEBIAN-CVE-2026-10650

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Source
https://security-tracker.debian.org/tracker/CVE-2026-10650
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10650.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-10650
Upstream
Published
2026-06-02T22:16:16Z
Modified
2026-09-14T17:00:40Z
Severity
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

A flaw has been found in warmcat libwebsockets up to 4.5.8. This issue affects the function lws_ssh_parse_plaintext of the file plugins/protocol_lws_ssh_base/sshd.c of the component SSH Protocol Handler. Executing a manipulation of the argument msg_len can lead to resource consumption. The attack may be launched remotely. The exploit has been published and may be used. This patch is called 3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498. A patch should be applied to remediate this issue.

References

Affected packages

Debian:12 / libwebsockets

Package

Name
libwebsockets
Purl
pkg:deb/debian/libwebsockets?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

4.*
4.1.6-3
4.1.6-3.1
4.3.2-1
4.3.2-2
4.3.2-3
4.3.2-4
4.3.3-1
4.3.3-1.1~exp1
4.3.3-1.1
4.3.5-1
4.3.5-2
4.3.5-3
4.3.5-4
4.3.5-4.1
4.3.5-5
4.3.5-6

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10650.json"

Debian:13 / libwebsockets

Package

Name
libwebsockets
Purl
pkg:deb/debian/libwebsockets?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.3.5-1+deb13u2

Affected versions

4.*
4.3.5-1
4.3.5-1+deb13u1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10650.json"

Debian:14 / libwebsockets

Package

Name
libwebsockets
Purl
pkg:deb/debian/libwebsockets?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.3.5-5

Affected versions

4.*
4.3.5-1
4.3.5-2
4.3.5-3
4.3.5-4
4.3.5-4.1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10650.json"