CVE-2021-26937

CVE-2021-26937 affects the GNU Screen utility. The vulnerability exists in encoding.c when handling combining characters/UTF-8 sequences, and can enable a remote attacker to cause a denial of service (invalid write access and crash) or, in some advisories, potentially arbitrary code execution. Af...

CVE-2020-9366

GNU Screen before 4.8.0 is vulnerable to a buffer overflow in handling the OSC 49 escape sequence, allowing specially crafted output to corruption memory and potentially crash Screen or have unspecified impact. Public documents (CVE-2020-9366, GLSA-202003-62) describe the affected version range a...