X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a client sequence and with attached data.
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "2:1.2.3-1", "binary_name": "libxtst-dev" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst-doc" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst6" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst6-dbgsym" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst6-udeb" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst6-udeb-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "2:1.2.3-1", "binary_name": "libxtst-dev" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst-doc" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst6" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst6-dbgsym" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst6-udeb" }, { "binary_version": "2:1.2.3-1", "binary_name": "libxtst6-udeb-dbgsym" } ] }