CVE-2026-49940

6.5 MEDIUM
Published: June 04, 2026 Modified: June 08, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://metacpan.org/release/RRWO/Net-CIDR-Set-0.21/changes
Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e
Release Notes
https://nvd.nist.gov/vuln/detail/CVE-2025-40911
Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e
Third Party Advisory US Government Resource

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
0.3%
21th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

rrwo