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Medium

JavaScript preprocessing memory disclosure

Type: advisorySource: Official CVE List1 source record

The JavaScript preprocessing (Duktape) engine on Zabbix server has a vulnerability where a limited administrator is able to read raw heap data potentially resulting in leaked data from other running preprocessors not available to said administrator.

Announced Source revision 1
Original source ↗

CVE-2026-59782

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-59782

Zabbix

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.zabbix.com/",
    "vendor": "Zabbix",
    "modules": [
      "Server",
      "Proxy"
    ],
    "product": "Zabbix",
    "versions": [
      {
        "status": "affected",
        "changes": [
          {
            "at": "6.0.48",
            "status": "unaffected"
          }
        ],
        "version": "6.0.0",
        "versionType": "git",
        "lessThanOrEqual": "6.0.47"
      },
      {
        "status": "affected",
        "changes": [
          {
            "at": "7.0.29",
            "status": "unaffected"
          }
        ],
        "version": "7.0.0",
        "versionType": "git",
        "lessThanOrEqual": "7.0.28"
      },
      {
        "status": "affected",
        "changes": [
          {
            "at": "7.4.13",
            "status": "unaffected"
          }
        ],
        "version": "7.4.0",
        "versionType": "git",
        "lessThanOrEqual": "7.4.12"
      }
    ],
    "defaultStatus": "unknown"
  }
]
Related CVEs
CVE-2026-59782

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#8561 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement