DEBIAN-CVE-2026-26158

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Source
https://security-tracker.debian.org/tracker/CVE-2026-26158
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26158.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-26158
Upstream
  • CVE-2026-26158
Published
2026-02-11T21:16:21.607Z
Modified
2026-03-13T05:46:05.682160Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevated privileges, this flaw can lead to privilege escalation, enabling an attacker to gain unauthorized access to critical system files.

References

Affected packages

Debian:11 / busybox

Package

Name
busybox
Purl
pkg:deb/debian/busybox?arch=source

Affected ranges

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

Affected versions

1:1.*
1:1.30.1-6
1:1.30.1-6+deb11u1
1:1.30.1-7
1:1.35.0-1
1:1.35.0-2
1:1.35.0-2+hurd.1
1:1.35.0-2+hurd.2
1:1.35.0-3
1:1.35.0-4
1:1.36.0-1~exp1
1:1.36.1-1
1:1.36.1-2
1:1.36.1-3
1:1.36.1-3.1
1:1.36.1-4
1:1.36.1-5
1:1.36.1-6~exp.1
1:1.36.1-6
1:1.36.1-7
1:1.36.1-8
1:1.36.1-9
1:1.37.0-1
1:1.37.0-2
1:1.37.0-3
1:1.37.0-4
1:1.37.0-5
1:1.37.0-6
1:1.37.0-7
1:1.37.0-8
1:1.37.0-9
1:1.37.0-10
1:1.37.0-10.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26158.json"

Debian:12 / busybox

Package

Name
busybox
Purl
pkg:deb/debian/busybox?arch=source

Affected ranges

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

Affected versions

1:1.*
1:1.35.0-4
1:1.36.0-1~exp1
1:1.36.1-1
1:1.36.1-2
1:1.36.1-3
1:1.36.1-3.1
1:1.36.1-4
1:1.36.1-5
1:1.36.1-6~exp.1
1:1.36.1-6
1:1.36.1-7
1:1.36.1-8
1:1.36.1-9
1:1.37.0-1
1:1.37.0-2
1:1.37.0-3
1:1.37.0-4
1:1.37.0-5
1:1.37.0-6
1:1.37.0-7
1:1.37.0-8
1:1.37.0-9
1:1.37.0-10
1:1.37.0-10.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26158.json"

Debian:13 / busybox

Package

Name
busybox
Purl
pkg:deb/debian/busybox?arch=source

Affected ranges

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

Affected versions

1:1.*
1:1.37.0-6
1:1.37.0-7
1:1.37.0-8
1:1.37.0-9
1:1.37.0-10
1:1.37.0-10.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26158.json"

Debian:14 / busybox

Package

Name
busybox
Purl
pkg:deb/debian/busybox?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.37.0-10.1

Affected versions

1:1.*
1:1.37.0-6
1:1.37.0-7
1:1.37.0-8
1:1.37.0-9
1:1.37.0-10

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26158.json"