When the webdriver for the Browser object downloads data from a HTTP server, the data pointer is set to NULL and is allocated only in curlwritecb when receiving data. If the server's response is an empty document, then wd->data in the code below will remain NULL and an attempt to read from it will result in a crash.
{
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{
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"binary_name": "zabbix-agent2"
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{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-java-gateway"
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{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-sender"
},
{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-server-pgsql"
},
{
"binary_version": "1:7.0.10+dfsg-2",
"binary_name": "zabbix-web-service"
}
]
}{
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{
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{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-agent2"
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{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-java-gateway"
},
{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-sender"
},
{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-server-pgsql"
},
{
"binary_version": "1:7.0.10+dfsg-2build1",
"binary_name": "zabbix-web-service"
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]
}{
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"binary_name": "zabbix-agent"
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{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-frontend-php"
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{
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"binary_name": "zabbix-java-gateway"
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{
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"binary_name": "zabbix-proxy-mysql"
},
{
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"binary_name": "zabbix-proxy-pgsql"
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{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-proxy-sqlite3"
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{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-server-pgsql"
}
]
}{
"binaries": [
{
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"binary_name": "zabbix-agent"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-java-gateway"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-server-pgsql"
}
]
}{
"binaries": [
{
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"binary_name": "zabbix-agent"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-java-gateway"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-server-pgsql"
}
]
}{
"binaries": [
{
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"binary_name": "zabbix-agent"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-frontend-php"
},
{
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"binary_name": "zabbix-java-gateway"
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{
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"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-server-pgsql"
}
]
}{
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{
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"binary_name": "zabbix-agent"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-java-gateway"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-server-pgsql"
}
]
}