GNU Screen could be made to crash or run programs as your login if it opened a specially crafted file or received specially crafted input.
Kuang-che Wu discovered that GNU Screen improperly handled certain input. An attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service or the execution of arbitrary code.
29 May 2019
A security issue affects these releases of Ubuntu and its derivatives:
GNU Screen could be made to crash or run programs as your login if it opened a specially crafted file or received specially crafted input.
Kuang-che Wu discovered that GNU Screen improperly handled certain input. An attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service or the execution of arbitrary code.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon