USN-7804-1 fixed a vulnerability in Squid. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that Squid incorrectly handled certain long SNMP OIDs. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service.
{
"binaries": [
{
"binary_version": "3.5.12-1ubuntu7.16+esm6",
"binary_name": "squid"
},
{
"binary_version": "3.5.12-1ubuntu7.16+esm6",
"binary_name": "squid-cgi"
},
{
"binary_version": "3.5.12-1ubuntu7.16+esm6",
"binary_name": "squid-common"
},
{
"binary_version": "3.5.12-1ubuntu7.16+esm6",
"binary_name": "squid-purge"
},
{
"binary_version": "3.5.12-1ubuntu7.16+esm6",
"binary_name": "squid3"
},
{
"binary_version": "3.5.12-1ubuntu7.16+esm6",
"binary_name": "squidclient"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
{
"binaries": [
{
"binary_version": "3.5.27-1ubuntu1.14+esm5",
"binary_name": "squid"
},
{
"binary_version": "3.5.27-1ubuntu1.14+esm5",
"binary_name": "squid-cgi"
},
{
"binary_version": "3.5.27-1ubuntu1.14+esm5",
"binary_name": "squid-common"
},
{
"binary_version": "3.5.27-1ubuntu1.14+esm5",
"binary_name": "squid-purge"
},
{
"binary_version": "3.5.27-1ubuntu1.14+esm5",
"binary_name": "squid3"
},
{
"binary_version": "3.5.27-1ubuntu1.14+esm5",
"binary_name": "squidclient"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
{
"binaries": [
{
"binary_version": "4.10-1ubuntu1.13+esm2",
"binary_name": "squid"
},
{
"binary_version": "4.10-1ubuntu1.13+esm2",
"binary_name": "squid-cgi"
},
{
"binary_version": "4.10-1ubuntu1.13+esm2",
"binary_name": "squid-common"
},
{
"binary_version": "4.10-1ubuntu1.13+esm2",
"binary_name": "squid-purge"
},
{
"binary_version": "4.10-1ubuntu1.13+esm2",
"binary_name": "squidclient"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}