CVSS v3
9.8
CRITICAL
EPSS Score
12.7%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
Active exploitation of CVE-2021-26937 has not been confirmed. The EPSS score is 12.7%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-26937 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).