What is CVE-2026-49942?

CVE-2026-49942 is a high-severity vulnerability in Rrwo Net\, 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.

Vulnerability in Rrwo Net\

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…

EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.

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

Rrwo Net\ — versions \
Rrwo Net::cidr::set — versions 0

Weakness classification (CWE)

CWE-1289

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes, Release Notes)
9b29abf9-4ab0-4765-b253-1875cd9b441e (related, US Government Resource, Third Party Advisory)
9b29abf9-4ab0-4765-b253-1875cd9b441e (related, US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2026-49942?: CVE-2026-49942 is a high-severity vulnerability in Rrwo Net\, 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.