Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This allows for XXE-based attacks in applications that accept attacker-controlled log4net configuration files.
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{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.10+dfsg-7ubuntu0.18.04.1", "binary_name": "liblog4net-cil-dev" }, { "binary_version": "1.2.10+dfsg-7ubuntu0.18.04.1", "binary_name": "liblog4net1.2-cil" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.10+dfsg-7ubuntu0.20.04.1", "binary_name": "liblog4net-cil-dev" }, { "binary_version": "1.2.10+dfsg-7ubuntu0.20.04.1", "binary_name": "liblog4net1.2-cil" } ] }
{ "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.10+dfsg-8", "binary_name": "liblog4net-cil-dev" }, { "binary_version": "1.2.10+dfsg-8", "binary_name": "liblog4net1.2-cil" } ] }