Vulnerability in Rrwo Net::cidr::set

CVE-2026-49942

Net::CIDR::Set versions through 0.20 for Perl did not validate network masks. The mask portion of a network mask could contain Unicode digits such as the Arabic-Indic One (U+0661), or non-digits, which were ignored. This could allow net…

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49942?
CVE-2026-49942 is a high-severity vulnerability in Rrwo Net::cidr::set, classified under CWE-1289. CVSS score: 7.3/10. Published 2026-06-04.
How severe is CVE-2026-49942?
High severity. CVSS v3 base score is 7.3 out of 10.