CVE-2026-49940

MEDIUM

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

Title source: cna
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.0020
EPSS Percentile 9.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-1289
Status published
Products (2)
RRWO/Net::CIDR::Set < 0.20
rrwo/net\ < 0.21
Published Jun 04, 2026
Tracked Since Jun 04, 2026