# libnet-cidr-lite-perl 0.21-1ubuntu0.18.04.1~esm2: libnet-cidr-lite-perl 0.21-1ubuntu0.18.04.1~esm2 for Ubuntu 18.04.6 LTS (bionic)

libnet-cidr-lite-perl 0.21-1ubuntu0.18.04.1~esm2, released June 24, 2026, fixes 2 CVEs in libnet-cidr-lite-perl. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-libnet-cidr-lite-perl-0.21-1ubuntu0.18.04.1-esm2
- Platform: Linux
- Released: Jun 24, 2026
- Priority: Routine (Closes 2 CVEs, none high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libnet-cidr-lite-perl](https://patchblox.com/security/data/product/linux/libnet-cidr-lite-perl.md) | Ubuntu 18.04.6 LTS (bionic) | 0.21-1ubuntu0.18.04.1~esm2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-45190](https://patchblox.com/security/data/cve/CVE-2026-45190.md) | Routine | libnet-cidr-lite-perl: Net::CIDR::Lite versions before 0.24 for Perl does not properly validate IP address and CIDR mask inputs, which may a... | 6.5 | 0.0031 |  |
| [CVE-2026-45191](https://patchblox.com/security/data/cve/CVE-2026-45191.md) | Routine | libnet-cidr-lite-perl: Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask valu... | 6.5 | 0.0030 |  |

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