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CVE-2026-49941

HIGH
7.5
CVSS 3.1
Description
Net::CIDR::Set versions through 0.20 for Perl did not validate IP addresses. The add method called the _encode method to parse addresses. If the addresses did not look like netmasks or network ranges, then they were assumed to single IP addresses and passed back to itself as a 32-bit or 128-bit netmask. If the argument was not a well-formed IP address, then this would lead to indefinite recursion. An attacker could use this to cause a denial of service.

Metadata

CVE ID
CVE-2026-49941
State
PUBLISHED
Assigner
CPANSec
Reserved
2026-06-02 16:06 UTC
Published
2026-06-04 16:07 UTC
Last updated
2026-06-04 18:45 UTC
Primary CWE
CWE-1287
CWE-1287 Improper Validation of Specified Type of Input
Vendor / Product
RRWO / Net::CIDR::Set
Sources
cve.org  ·  NVD

Severity & Metrics

7.5 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
RRWO Net::CIDR::Set — 0 ≤ 0.20
Weakness (CWE)
CWESourceDescription
CWE-1287 cna CWE-1287 Improper Validation of Specified Type of Input
CWE-674 cna CWE-674 Uncontrolled Recursion
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.5 HIGH 3.1 adp CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References (1)
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