OPENSUSE-SU-2026:20773-1 Security update for perl-Net-CIDR

This update for perl-Net-CIDR fixes the following issues: Changes in perl-Net-CIDR: - updated to 0.270.0 0.27 0.27 Sam Varshavchik cidrvalidate bug fix. - updated to 0.260.0 0.26 0.26 Sam Varshavchik cidrvalidate should accept IPv6 addresses with one uncompressed 0. - updated to 0.250.0 0.25 0.25...

DEBIAN-CVE-2026-45191

Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask values, which may allow IP ACL bypass. Mask forms like "/00" and "/01" pass validation and parse to the same prefix as their unpadded value. See also CVE-2026-45190...

CVE-2026-45191

Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask values, which may allow IP ACL bypass. Mask forms like "/00" and "/01" pass validation and parse to the same prefix as their unpadded value. See also CVE-2026-45190...

CVE-2026-45191

The perl-Net-CIDR-Lite module (versions before 0.24 ) contains a vulnerability where it fails to properly validate IP address and CIDR mask inputs . Specifically, the component does not account for extraneous zero characters in mask values (e.g., "/00" or "/01" ), which pass validation and parse ...

CVE-2026-45191 Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask values, which may allow IP ACL bypass

Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask values, which may allow IP ACL bypass. Mask forms like "/00" and "/01" pass validation and parse to the same prefix as their unpadded value. See also CVE-2026-45190...

Unhead has a hasDangerousProtocol() bypass via leading-zero padded HTML entities in useHeadSafe()

EVIDENCE | Disclosed to Vercel H1 | 2026-03-22 no response after 12 days | | Cross-reported here | 2026-04-03 | --- Summary useHeadSafe is the composable that Nuxt's own documentation explicitly recommends for rendering user-supplied content in safely. Internally, the hasDangerousProtocol functio...

SUSE CVE-2021-4456

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

Fedora 42 : perl-Net-CIDR (2026-baf8782c7a)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-baf8782c7a advisory. Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlook...

Linux Distros Unpatched Vulnerability : CVE-2021-4456

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup...

EUVD-2021-34770

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

CVE-2021-4456

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

CVE-2021-4456

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

DEBIAN-CVE-2021-4456

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

UBUNTU-CVE-2021-4456

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

CVE-2021-4456

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

CVE-2021-4456 Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

CVE-2021-4456

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

CVE-2021-4456

The Net::CIDR Perl module versions prior to 0.24 are vulnerable to improper handling of leading zeros in IP CIDR addresses. Specifically, the addr2cidr and cidrlookup functions may return strings with leading zeros, which subsequent processes might incorrectly parse as octal numbers . This flaw c...

CVE-2021-4456 Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact

Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions addr2cidr and cidrlookup may return leading zeros in a CIDR string, which may in turn be parsed as octal numbers by subsequent users. In some cases an attacker ma...

MetaCPAN Net::CIDR::Set 安全漏洞

MetaCPAN Net::CIDR::Set is a library from the MetaCPAN Foundation. Versions of MetaCPAN Net::CIDR::Set prior to 0.24 contained a security vulnerability. This vulnerability stemmed from improper handling of leading zeros in IP CIDR addresses, which could lead to bypassing IP-based access controls...