MediumFix available
zabbix — security advisory
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.
- Products
- zabbix
- Affected versions
- 1:6.0.14+dfsg-1, 1:6.0.23+dfsg-1, 1:6.0.23+dfsg-1~bpo12+1, 1:6.0.24+dfsg-1, 1:6.0.25+dfsg-1, 1:6.0.29+dfsg-1, 1:7.0.0+dfsg-1, 1:7.0.0+dfsg-2, 1:7.0.0+dfsg-2~bpo12+1, 1:7.0.1+dfsg-1, 1:7.0.1+dfsg-1~bpo12+1, 1:7.0.10+dfsg-1, 1:7.0.10+dfsg-2, 1:7.0.2+dfsg-1, 1:7.0.2+dfsg-1~bpo12+1, 1:7.0.22+dfsg-1, 1:7.0.22+dfsg-1.1, 1:7.0.22+dfsg-1~bpo13+1, 1:7.0.22+dfsg-1~deb13u1, 1:7.0.27+dfsg-1, 1:7.0.29+dfsg-1, 1:7.0.29+dfsg-2, 1:7.0.29+dfsg-2~bpo13+1, 1:7.0.3+dfsg-1, 1:7.0.5+dfsg-1, 1:7.0.5+dfsg-1~bpo12+1, 1:7.0.6+dfsg-1, 1:7.0.9+dfsg-1, 1:7.0.9+dfsg-1~bpo12+1
- Fixed versions
- 1:7.0.29+dfsg-1
- CVEs
- CVE-2026-59782
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 03:41 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2026-59782
zabbix
Fixed versions: Not specified
zabbix
Fixed versions: Not specified
zabbix
Fixed versions: 1:7.0.29+dfsg-1
Complete source record
{
"id": "8a5811af130e8910e46a3052a340ddf86eefe7586507a32b8c71115604eb0580",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-59782",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-59782",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2026-59782",
"products": [
{
"name": {
"value": "zabbix",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:6.0.14+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:6.0.23+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:6.0.23+dfsg-1~bpo12+1",
"evidence": "/affected/0/versions"
},
{
"value": "1:6.0.24+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:6.0.25+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:6.0.29+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.0+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.0+dfsg-2",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.0+dfsg-2~bpo12+1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.1+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.1+dfsg-1~bpo12+1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.10+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.10+dfsg-2",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.2+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.2+dfsg-1~bpo12+1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.22+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.22+dfsg-1.1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.22+dfsg-1~bpo13+1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.22+dfsg-1~deb13u1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.27+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.29+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.29+dfsg-2",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.29+dfsg-2~bpo13+1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.3+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.5+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.5+dfsg-1~bpo12+1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.6+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.9+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.9+dfsg-1~bpo12+1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "zabbix",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:7.0.10+dfsg-2",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.22+dfsg-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.22+dfsg-1.1",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.22+dfsg-1~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.22+dfsg-1~deb13u1",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.27+dfsg-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.29+dfsg-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.29+dfsg-2",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.29+dfsg-2~bpo13+1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "zabbix",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:7.0.29+dfsg-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "1:7.0.10+dfsg-2",
"evidence": "/affected/2/versions"
},
{
"value": "1:7.0.22+dfsg-1",
"evidence": "/affected/2/versions"
},
{
"value": "1:7.0.22+dfsg-1.1",
"evidence": "/affected/2/versions"
},
{
"value": "1:7.0.22+dfsg-1~bpo13+1",
"evidence": "/affected/2/versions"
},
{
"value": "1:7.0.22+dfsg-1~deb13u1",
"evidence": "/affected/2/versions"
},
{
"value": "1:7.0.27+dfsg-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-59782",
"aliases": [
"DEBIAN-CVE-2026-59782"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zabbix",
"purl": "pkg:deb/debian/zabbix?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1:6.0.14+dfsg-1",
"1:6.0.23+dfsg-1",
"1:6.0.23+dfsg-1~bpo12+1",
"1:6.0.24+dfsg-1",
"1:6.0.25+dfsg-1",
"1:6.0.29+dfsg-1",
"1:7.0.0+dfsg-1",
"1:7.0.0+dfsg-2",
"1:7.0.0+dfsg-2~bpo12+1",
"1:7.0.1+dfsg-1",
"1:7.0.1+dfsg-1~bpo12+1",
"1:7.0.10+dfsg-1",
"1:7.0.10+dfsg-2",
"1:7.0.2+dfsg-1",
"1:7.0.2+dfsg-1~bpo12+1",
"1:7.0.22+dfsg-1",
"1:7.0.22+dfsg-1.1",
"1:7.0.22+dfsg-1~bpo13+1",
"1:7.0.22+dfsg-1~deb13u1",
"1:7.0.27+dfsg-1",
"1:7.0.29+dfsg-1",
"1:7.0.29+dfsg-2",
"1:7.0.29+dfsg-2~bpo13+1",
"1:7.0.3+dfsg-1",
"1:7.0.5+dfsg-1",
"1:7.0.5+dfsg-1~bpo12+1",
"1:7.0.6+dfsg-1",
"1:7.0.9+dfsg-1",
"1:7.0.9+dfsg-1~bpo12+1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-59782.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zabbix",
"purl": "pkg:deb/debian/zabbix?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1:7.0.10+dfsg-2",
"1:7.0.22+dfsg-1",
"1:7.0.22+dfsg-1.1",
"1:7.0.22+dfsg-1~bpo13+1",
"1:7.0.22+dfsg-1~deb13u1",
"1:7.0.27+dfsg-1",
"1:7.0.29+dfsg-1",
"1:7.0.29+dfsg-2",
"1:7.0.29+dfsg-2~bpo13+1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-59782.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:7.0.29+dfsg-1"
}
]
}
],
"package": {
"name": "zabbix",
"purl": "pkg:deb/debian/zabbix?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1:7.0.10+dfsg-2",
"1:7.0.22+dfsg-1",
"1:7.0.22+dfsg-1.1",
"1:7.0.22+dfsg-1~bpo13+1",
"1:7.0.22+dfsg-1~deb13u1",
"1:7.0.27+dfsg-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-59782.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-07T09:47:35.826042650Z",
"provider": "osv",
"upstream": [
"CVE-2026-59782"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-59782"
]
},
"related_cves": [
{
"value": "CVE-2026-59782",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 94670,
"published_at": "2026-10-05T11:16:59.36+00:00"
}