alpine-cve-2016-9942
CVSS 9.8 osv_alpine
Description
Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.
Timeline
- Published
- unknown
- Last Modified
- unknown
CVSS Details
CVSS details not available.
Affected Products
No product information available.
Linked Vulnerabilities
No linked vulnerabilities found.
{
"affected": [
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.10",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.11-r0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.11",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
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}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.2",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
"events": [
{
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{
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}
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]
},
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.3",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
"events": [
{
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{
"database_specific": {
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},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.4",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
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},
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.5",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
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{
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},
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.6",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
"events": [
{
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{
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},
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.7",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
"events": [
{
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{
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]
},
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.8",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.11-r0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2016-9942.json"
},
"ecosystem_specific": {},
"package": {
"ecosystem": "Alpine:v3.9",
"name": "libvncserver",
"purl": "pkg:apk/alpine/libvncserver?arch=source"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.11-r0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"details": "Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.",
"id": "ALPINE-CVE-2016-9942",
"modified": "2026-09-22T06:30:45.799095266Z",
"published": "2016-12-31T18:59:00.180Z",
"references": [
{
"type": "ADVISORY",
"url": "https://security.alpinelinux.org/vuln/CVE-2016-9942"
}
],
"schema_version": "1.9.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"upstream": [
"CVE-2016-9942"
]
}