DEBIAN-CVE-2026-2739

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Source
https://security-tracker.debian.org/tracker/CVE-2026-2739
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2739.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-2739
Upstream
Published
2026-02-20T05:17:53.033Z
Modified
2026-02-21T11:29:39.384036Z
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

This affects versions of the package bn.js before 5.2.3. Calling maskn(0) on any BN instance corrupts the internal state, causing toString(), divmod(), and other methods to enter an infinite loop, hanging the process indefinitely.

References

Affected packages

Debian:11 / node-bn.js

Package

Name
node-bn.js
Purl
pkg:deb/debian/node-bn.js?arch=source

Affected ranges

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

Affected versions

5.*
5.1.3-1
5.2.0-1
5.2.0-2
5.2.0-3
5.2.1+~5.1.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2739.json"

Debian:12 / node-bn.js

Package

Name
node-bn.js
Purl
pkg:deb/debian/node-bn.js?arch=source

Affected ranges

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

Affected versions

5.*
5.2.1+~5.1.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2739.json"

Debian:13 / node-bn.js

Package

Name
node-bn.js
Purl
pkg:deb/debian/node-bn.js?arch=source

Affected ranges

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

Affected versions

5.*
5.2.1+~5.1.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2739.json"

Debian:14 / node-bn.js

Package

Name
node-bn.js
Purl
pkg:deb/debian/node-bn.js?arch=source

Affected ranges

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

Affected versions

5.*
5.2.1+~5.1.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2739.json"