DEBIAN-CVE-2026-45191

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Source
https://security-tracker.debian.org/tracker/CVE-2026-45191
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-45191.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2026-45191
Upstream
Published
2026-05-10T21:16:29.380Z
Modified
2026-05-16T05:00:10.100916566Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVSS Calculator
Summary
[none]
Details

Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask values, which may allow IP ACL bypass. Mask forms like "/00" and "/01" pass validation and parse to the same prefix as their unpadded value. See also CVE-2026-45190.

References

Affected packages

Debian:11 / libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/debian/libnet-cidr-lite-perl?arch=source&distro=bullseye

Affected ranges

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

Affected versions

0.*
0.22-1
0.22-2
0.22-3~deb12u1
0.22-3~deb13u1
0.22-3
0.23-1
0.24-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-45191.json"

Debian:12 / libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/debian/libnet-cidr-lite-perl?arch=source&distro=bookworm

Affected ranges

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

Affected versions

0.*
0.22-2
0.22-3~deb12u1
0.22-3~deb13u1
0.22-3
0.23-1
0.24-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-45191.json"

Debian:13 / libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/debian/libnet-cidr-lite-perl?arch=source&distro=trixie

Affected ranges

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

Affected versions

0.*
0.22-2
0.22-3~deb12u1
0.22-3~deb13u1
0.22-3
0.23-1
0.24-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-45191.json"

Debian:14 / libnet-cidr-lite-perl

Package

Name
libnet-cidr-lite-perl
Purl
pkg:deb/debian/libnet-cidr-lite-perl?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.24-1

Affected versions

0.*
0.22-2
0.22-3~deb12u1
0.22-3~deb13u1
0.22-3
0.23-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-45191.json"