CVE-2026-49940

medium

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

https://nvd.nist.gov/vuln/detail/CVE-2025-40911

https://metacpan.org/release/RRWO/Net-CIDR-Set-0.21/changes

Details

Source: Mitre, NVD

Published: 2026-06-04

Updated: 2026-06-08

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00041