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Alerts This Week
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SUSE Perl-Net-CIDR-Lite Important IP ACL Bypass 2026-2113-1

suse
Calendar Grey May 29, 2026
Dist Suse Esm H88
Urgent update released for perl-Net-CIDR-Lite addressing four critical issues in SUSE systems. Install recommended patches now.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for perl-Net-CIDR-Lite fixes the following issues * CVE-2026-45190: improper validation of trailing newlines or non-ASCII digits can lead to IP ACL bypass (bsc#1264710). * CVE-2026-45191: extraneous leading zeros in CIDR mask values can lead to IP ACL bypass (bsc#1264709). * CVE-2026-40198: missing validation for the IPv6 group count can lead to IP ACL bypass (bsc#1262088). * CVE-2026-40199: mishandled IPv4 mapped IPv6 addresses can lead to IP ACL bypass (bsc#1262088). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2113=1

Topics%20covered

Topics Covered

security advisory SuSE important bypass perl-Net-CIDR-Lite IP ACL

References

* bsc#1262088

* bsc#1264709

* bsc#1264710

Cross-

* CVE-2026-40198

* CVE-2026-40199

* CVE-2026-45190

* CVE-2026-45191

CVSS scores:

* CVE-2026-40198 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2026-40198 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

* CVE-2026-40199 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2026-40199 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2026-45190 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

* CVE-2026-45190 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

* CVE-2026-45191 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

* CVE-2026-45191 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected Products:

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2113-1
Release Date: 2026-05-29T15:24:47Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important bypass perl-Net-CIDR-Lite IP ACL

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