DEBIAN-CVE-2026-113721

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Source
https://security-tracker.debian.org/tracker/CVE-2026-113721
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113721.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-113721
Upstream
Published
2026-10-22T22:47:32Z
Modified
2026-10-22T23:00:07Z
Summary
[none]
Details

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, ViaTemplateActivator._generate() removes an existing output only when Path.exists() is true, allowing a dangling symlink to survive and redirect generated activation content, while PyEnvCfg.write() opens pyvenv.cfg without first replacing an existing symbolic or hard link. Another local account that prepares final entries inside the destination can therefore cause environment creation to create or overwrite files outside the requested tree with constrained virtualenv-generated content and the invoking user's permissions. The destination parent must remain controlled by the environment owner during creation; concurrent parent-directory replacement is a separate concern. This issue is fixed in version 21.14.9.

References

Affected packages

Debian:12 / python-virtualenv

Package

Name
python-virtualenv
Purl
pkg:deb/debian/python-virtualenv?arch=source&distro=bookworm

Affected ranges

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

Affected versions

20.*
20.17.1+ds-1
20.19.0+ds-1
20.21.0+ds-1
20.23.0+ds-1
20.23.0+ds-2
20.24.1+ds-1
20.24.6+ds-1
20.24.6+ds-2
20.25.0+ds-1
20.25.0+ds-2
20.25.1+ds-1
20.26.1+ds-1
20.26.2+ds-1
20.26.6+ds-1
20.27.0+ds-1
20.28.0+ds-1
20.29.1+ds-1
20.29.3+ds-1
20.30.0+ds-1
20.30.0+ds-2
20.30.0+ds-3
20.31.2+ds-1
20.33.1+ds-1
20.34.0+ds-1
20.35.3+ds-1
20.35.4+ds-1
20.36.1+ds-1
20.38.0+ds-1
21.*
21.2.0+ds-1
21.2.4+ds-1
21.3.1+ds-1
21.4.1+ds-1
21.5.1+ds-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113721.json"

Debian:13 / python-virtualenv

Package

Name
python-virtualenv
Purl
pkg:deb/debian/python-virtualenv?arch=source&distro=trixie

Affected ranges

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

Affected versions

20.*
20.31.2+ds-1
20.31.2+ds-1+deb13u1
20.33.1+ds-1
20.34.0+ds-1
20.35.3+ds-1
20.35.4+ds-1
20.36.1+ds-1
20.38.0+ds-1
21.*
21.2.0+ds-1
21.2.4+ds-1
21.3.1+ds-1
21.4.1+ds-1
21.5.1+ds-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113721.json"

Debian:14 / python-virtualenv

Package

Name
python-virtualenv
Purl
pkg:deb/debian/python-virtualenv?arch=source&distro=forky

Affected ranges

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

Affected versions

20.*
20.31.2+ds-1
20.33.1+ds-1
20.34.0+ds-1
20.35.3+ds-1
20.35.4+ds-1
20.36.1+ds-1
20.38.0+ds-1
21.*
21.2.0+ds-1
21.2.4+ds-1
21.3.1+ds-1
21.4.1+ds-1
21.5.1+ds-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113721.json"