CVE-2021-26937

9.8CRITICAL

Key Information:

Vendor
Gnu
Status
Screen
Vendor
CVE Published:
9 February 2021

Summary

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.

References

https://lists.gnu.org/archive/html/screen-devel/2021-02/m...
x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/02/09/3
x_refsource_MISC
https://ftp.gnu.org/gnu/screen/
x_refsource_MISC

EPSS Score

2% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.