OPENSUSE-SU-2026:10780-1

Vulnerability from csaf_opensuse - Published: 2026-05-14 00:00 - Updated: 2026-05-14 00:00
Summary
perl-Net-CIDR-Lite-0.240.0-1.1 on GA media
Severity
Moderate
Notes
Title of the patch: perl-Net-CIDR-Lite-0.240.0-1.1 on GA media
Description of the patch: These are all security issues fixed in the perl-Net-CIDR-Lite-0.240.0-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2026-10780
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-40198
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-40199
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-45190
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-45191
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64 —
Vendor Fix
Threats
Impact important
References
To clipboard 

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  "vulnerabilities": [
    {
      "cve": "CVE-2026-40198",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-40198"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Net::CIDR::Lite versions before 0.23 for Perl does not validate IPv6 group count, which may allow IP ACL bypass.\n\n_pack_ipv6() does not check that uncompressed IPv6 addresses (without ::) have exactly 8 hex groups. Inputs like \"abcd\", \"1:2:3\", or \"1:2:3:4:5:6:7\" are accepted and produce packed values of wrong length (3, 7, or 15 bytes instead of 17).\n\nThe packed values are used internally for mask and comparison operations. find() and bin_find() use Perl string comparison (lt/gt) on these values, and comparing strings of different lengths gives wrong results. This can cause find() to incorrectly report an address as inside or outside a range.\n\nExample:\n\n  my $cidr = Net::CIDR::Lite-\u003enew(\"::/8\");\n  $cidr-\u003efind(\"1:2:3\");  # invalid input, incorrectly returns true\n\nThis is the same class of input validation issue as CVE-2021-47154 (IPv4 leading zeros) previously fixed in this module.\n\nSee also CVE-2026-40199, a related issue in the same function affecting IPv4 mapped IPv6 addresses.",
          "title": "CVE description"
        }
      ],
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          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
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          "summary": "SUSE Bug 1262088 for CVE-2026-40198",
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        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-14T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-40198"
    },
    {
      "cve": "CVE-2026-40199",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-40199"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Net::CIDR::Lite versions before 0.23 for Perl mishandles IPv4 mapped IPv6 addresses, which may allow IP ACL bypass.\n\n_pack_ipv6() includes the sentinel byte from _pack_ipv4() when building the packed representation of IPv4 mapped addresses like ::ffff:192.168.1.1. This produces an 18 byte value instead of 17 bytes, misaligning the IPv4 part of the address.\n\nThe wrong length causes incorrect results in mask operations (bitwise AND truncates to the shorter operand) and in find() / bin_find() which use Perl string comparison (lt/gt). This can cause find() to incorrectly match or miss addresses.\n\nExample:\n\n  my $cidr = Net::CIDR::Lite-\u003enew(\"::ffff:192.168.1.0/120\");\n  $cidr-\u003efind(\"::ffff:192.168.2.0\");  # incorrectly returns true\n\nThis is triggered by valid RFC 4291 IPv4 mapped addresses (::ffff:x.x.x.x).\n\nSee also CVE-2026-40198, a related issue in the same function affecting malformed IPv6 addresses.",
          "title": "CVE description"
        }
      ],
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          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-40199",
          "url": "https://www.suse.com/security/cve/CVE-2026-40199"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1262088 for CVE-2026-40199",
          "url": "https://bugzilla.suse.com/1262088"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
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            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-14T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-40199"
    },
    {
      "cve": "CVE-2026-45190",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-45190"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Net::CIDR::Lite versions before 0.24 for Perl does not properly validate IP address and CIDR mask inputs, which may allow IP ACL bypass.\n\nInputs containing a trailing newline or non-ASCII digit characters pass the validators but are then re-encoded by the parser to a different address than the input string spelled. find() and bin_find() can match or miss addresses as a result.\n\nExample:\n\n  my $cidr = Net::CIDR::Lite-\u003enew();\n  $cidr-\u003eadd(\"::1\\n/128\");\n  $cidr-\u003efind(\"::1a\");  # incorrectly returns true\n\nSee also CVE-2026-45191.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-45190",
          "url": "https://www.suse.com/security/cve/CVE-2026-45190"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1264710 for CVE-2026-45190",
          "url": "https://bugzilla.suse.com/1264710"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-14T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-45190"
    },
    {
      "cve": "CVE-2026-45191",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-45191"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "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.\n\nMask forms like \"/00\" and \"/01\" pass validation and parse to the same prefix as their unpadded value.\n\nSee also CVE-2026-45190.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
          "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-45191",
          "url": "https://www.suse.com/security/cve/CVE-2026-45191"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1264709 for CVE-2026-45191",
          "url": "https://bugzilla.suse.com/1264709"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1264710 for CVE-2026-45191",
          "url": "https://bugzilla.suse.com/1264710"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.aarch64",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.ppc64le",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.s390x",
            "openSUSE Tumbleweed:perl-Net-CIDR-Lite-0.240.0-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-14T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-45191"
    }
  ]
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.