Description
Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks.

Unicode digits such as the Arabic-Indic One (U+0661) were accepted but not properly parsed as numbers. This could allow network masks to accept larger networks.
Published: 2026-06-04
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Upgrade to version 0.21.

Tracking

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Advisories

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History

Mon, 08 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Rrwo net\
CPEs cpe:2.3:a:rrwo:net\:\:cidr\:\:set:*:*:*:*:*:perl:*:*
Vendors & Products Rrwo net\

Fri, 05 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Rrwo
Rrwo net::cidr::set
Vendors & Products Rrwo
Rrwo net::cidr::set

Thu, 04 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 04 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
Description Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks. Unicode digits such as the Arabic-Indic One (U+0661) were accepted but not properly parsed as numbers. This could allow network masks to accept larger networks.
Title Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks
Weaknesses CWE-1289
References

Subscriptions

Rrwo Net::cidr::set Net\
cve-icon MITRE

Status: PUBLISHED

Assigner: CPANSec

Published:

Updated: 2026-06-04T17:36:19.084Z

Reserved: 2026-06-02T16:06:23.068Z

Link: CVE-2026-49940

cve-icon Vulnrichment

Updated: 2026-06-04T17:32:25.725Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-04T17:16:33.053

Modified: 2026-06-08T16:35:43.660

Link: CVE-2026-49940

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-05T10:07:31Z

Weaknesses