DEBIAN-CVE-2026-18839

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Source
https://security-tracker.debian.org/tracker/CVE-2026-18839
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-18839.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-18839
Upstream
  • CVE-2026-18839
Published
2026-08-05T21:16:57Z
Modified
2026-09-14T17:02:50Z
Severity
  • 2.2 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

An integer underflow was found in the popt library when formatting help text for option tables that exceed the terminal width. A local user who can cause an application to print help under those conditions may cause that application to crash or fail to display help, resulting in a denial of service of the affected application.

References

Affected packages

Debian:12 / popt

Package

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

Affected ranges

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

Affected versions

1.*
1.19+dfsg-1
1.19+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-18839.json"

Debian:13 / popt

Package

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

Affected ranges

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

Affected versions

1.*
1.19+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-18839.json"

Debian:14 / popt

Package

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

Affected ranges

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

Affected versions

1.*
1.19+dfsg-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-18839.json"