CVE-2026-49940

Published: Jun 4, 2026Modified: Jun 17, 2026

6.5

Vector

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

Exploitability: 3.9 / Impact: 2.5

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Rrwo: Net\

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Rrwo Net\	Before 0.21

Related CWEs

Improper Validation of Unsafe Equivalence in Input

The product receives an input value that is used as a resource identifier or other type of reference, but it does not validate or incorrectly validates that the input is equivalent to a potentially-unsafe value.

References (2)

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 AdvisoryUS Government Resource

Timeline

No history available yet.