PT-2026-32048 · Unknown · Net-Cidr-Lite

Published 2026-04-10 · Updated 2026-05-14 · CVE-2026-40198

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Net::CIDR::Lite versions prior to 0.23

Description The Net::CIDR::Lite Perl module before version 0.23 does not properly validate the IPv6 group count, potentially allowing a bypass of IP Access Control Lists (ACLs).

Recommendations Update to version 0.23 or later.

Fix

Weakness Enumeration

CWE-1286

Related Identifiers

CVE-2026-40198

OPENSUSE-SU-2026:10780-1

Affected Products

Net-Cidr-Lite

References · 20

• https://github.com/stigtsp/Net-CIDR-Lite/commit/25d65f85dbe4885959a10471725ec9d250a589c3.patch · Patch
• https://cve.org/CVERecord?id=CVE-2026-40199 · Security Note
• https://ubuntu.com/security/CVE-2026-40198 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-40198 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-40198 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10780-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-40198 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-40198 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2026-40198 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-40198 · Vendor Advisory
• https://twitter.com/cyberbivash/status/2042890034945183851 · Twitter Post
• https://twitter.com/oss_security/status/2042792705969791193 · Twitter Post
• https://suse.com/security/cve/CVE-2026-45191 · Note
• https://twitter.com/VulmonFeeds/status/2042861320110768617 · Twitter Post
• https://suse.com/security/cve/CVE-2026-45190 · Note