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vuln-cve/data/2026/123xxx/CVE-2026-123776.json
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{
"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": "2026-11-10T14:11:54.062Z"
},
"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"
}
},
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-11-10T14:11:31.610638Z",
"id": "CVE-2026-123776",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-10T14:11:54.062Z"
}
}
]
}
}