Advisory ROSA-SA-2021-1968

Software: screen 4.1.0
OS: Cobalt 7.9

CVE-ID: CVE-2017-5618
CVE-Crit: HIGH
CVE-DESC: GNU screen before 4.5.1 allows local users to modify arbitrary files and therefore gain superuser privileges by improperly checking log file permissions.
CVE-STATUS: default
CVE-REV: default

CVE-ID: CVE-2020-9366
CVE-Crit: CRITICAL
CVE-DESC: A buffer overflow was detected in the way GNU Screen before 4.8.0 handled the special escape code OSC 49. Specially crafted output or a special program could have corrupted memory and caused Screen to crash, or possibly had an unspecified other impact.
CVE-STATUS: default
CVE-REV: default

CVE-ID: CVE-2021-26937
CVE-Crit: CRITICAL
CVE-DESC: encoding.c in GNU Screen before 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have an unspecified other impact using a generated UTF-8 character sequence.
CVE-STATUS: default
CVE-REV: default