CVE-2026-49940

MEDIUM EPSS 9.5%
Published Jun 4, 20263w ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Jun 4, 2026 3w ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.5
Exploitability
3.9
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
9.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1289

Affected Products 1

VendorProductVersionRange
rrwonet\\ <0.21

References 2

  • metacpan.org https://metacpan.org/release/RRWO/Net-CIDR-Set-0.21/changes
    Release Notes
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2025-40911
    Third Party AdvisoryUS Government Resource

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.