{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-123776",
        "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "state": "PUBLISHED",
        "assignerShortName": "CPANSec",
        "dateReserved": "2026-11-06T14:15:29.328Z",
        "datePublished": "2026-11-07T11:51:18.541Z",
        "dateUpdated": "2026-11-07T21:04:27.035Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "modules": [
                        "RRD::CGI::Image"
                    ],
                    "packageName": "RRD-CGI-Image",
                    "packageURL": "pkg:cpan/RRD-CGI-Image",
                    "programFiles": [
                        "lib/RRD/CGI/Image.pm"
                    ],
                    "programRoutines": [
                        {
                            "name": "RRD::CGI::Image::normalize_params"
                        }
                    ],
                    "versions": [
                        {
                            "lessThanOrEqual": "0.01",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process.\n\nThe normalize_params method sends any query key matching /tz/i to tz(), which sets $ENV{TZ} to that value, with no validation. It then calls tzset(). glibc treats a TZ value starting with / or : as a file path and opens it, so a value naming a FIFO or a blocking device stalls the process inside tzset()."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1287",
                            "description": "CWE-1287 Improper Validation of Specified Type of Input",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
                "shortName": "CPANSec",
                "dateUpdated": "2026-11-07T11:51:18.541Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory",
                        "issue-tracking",
                        "patch"
                    ],
                    "url": "https://rt.cpan.org/Ticket/Display.html?id=182627"
                },
                {
                    "tags": [
                        "technical-description"
                    ],
                    "url": "https://man7.org/linux/man-pages/man3/tzset.3.html"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://security.metacpan.org/patches/R/RRD-CGI-Image/0.01/CVE-2026-123776-r1.patch"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Apply the patch."
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "RRD::CGI::Image versions through 0.01 for Perl pass CGI query parameters containting \"tz\" to tzset(), , so a FIFO or device path blocks the CGI process",
            "x_generator": {
                "engine": "cpansec-cna-tool 0.1"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/11/07/11"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2026-11-07T21:04:27.035Z"
                }
            }
        ]
    }
}