CVE-2026-49940
MEDIUMNet::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks
Title source: cnaDescription
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
Core References
Release Notes release-notes
https://metacpan.org/release/RRWO/Net-CIDR-Set-0.21/changes
Related related
https://nvd.nist.gov/vuln/detail/CVE-2025-40911
Scores
CVSS v3
6.5
EPSS
0.0030
EPSS Percentile
21.0%
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