April 8, 2023, 5:15 a.m. |

National Vulnerability Database web.nvd.nist.gov

socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a denial of service or disruption of the target process.

arch cve default denial of service disruption freebsd gnu linux local platforms privileged process screen send service setuid signal socket target

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