DEBIAN-CVE-2026-103022

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Source
https://security-tracker.debian.org/tracker/CVE-2026-103022
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103022.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-103022
Upstream
Published
2026-11-06T22:17:49Z
Modified
2026-11-07T19:00:39Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

Urwid is a console user interface library for Python. Prior to 4.0.7, handle_short_request() in urwid/display/web.py performs unguarded character encoding on POST input and unguarded UTF-8 decoding on polling update socket output. A remote attacker who obtains a valid X-Urwid-ID session token can submit non-ASCII POST data that raises UnicodeEncodeError, while non-UTF-8 polling output raises UnicodeDecodeError, causing the CGI handler to return an error and terminate request processing. The POST exception path also leaves an opened file descriptor unclosed for the CGI process lifetime, so repeated requests can cause denial of service for the web display interface. This issue is fixed in version 4.0.7.

References

Affected packages

Debian:12 / urwid

Package

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

Affected ranges

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

Affected versions

2.*
2.1.2-4
2.1.2-4+deb12u1
2.1.2-4.1
2.1.2-4.2
2.3.4-0.1
2.4.1-0.1
2.4.1-0.2
2.4.6-0.1
2.5.2-1
2.6.4-1
2.6.10-1
2.6.14-1
2.6.15-1
2.6.16-1
3.*
3.0.4-1
4.*
4.1.3-1
4.2.1-1
4.2.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103022.json"

Debian:13 / urwid

Package

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

Affected ranges

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

Affected versions

2.*
2.6.16-1
3.*
3.0.4-1
4.*
4.1.3-1
4.2.1-1
4.2.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103022.json"

Debian:14 / urwid

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.1.3-1

Affected versions

2.*
2.6.16-1
3.*
3.0.4-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-103022.json"