CVE-2026-49940

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

Configuration 1 (hide)

cpe:2.3:a:rrwo:net\:\:cidr\:\:set:*:*:*:*:*:perl:*:*

History

08 Jun 2026, 16:35

Type Values Removed Values Added
References () https://metacpan.org/release/RRWO/Net-CIDR-Set-0.21/changes - () https://metacpan.org/release/RRWO/Net-CIDR-Set-0.21/changes - Release Notes
References () https://nvd.nist.gov/vuln/detail/CVE-2025-40911 - () https://nvd.nist.gov/vuln/detail/CVE-2025-40911 - Third Party Advisory, US Government Resource
First Time Rrwo net\
Rrwo
CPE cpe:2.3:a:rrwo:net\:\:cidr\:\:set:*:*:*:*:*:perl:*:*

04 Jun 2026, 18:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 6.5

04 Jun 2026, 17:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-06-04 17:16

Updated : 2026-06-08 16:35


NVD link : CVE-2026-49940

Mitre link : CVE-2026-49940

CVE.ORG link : CVE-2026-49940


JSON object : View

Products Affected

rrwo

  • net\
CWE
CWE-1289

Improper Validation of Unsafe Equivalence in Input