CVE-2021-26937

PoC ×3—

CVSS 3.1

9.8 critical

EPSS

9%p95

Published

Feb 9, 2021 (Feb 9, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: gnu debian fedoraproject
Products: screen, debian linux, fedora
Weakness: CWE-88
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (9.1%)

In the news0 stories

No ingested article mentions this CVE yet.