CVE-2020-9366

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CVSS 3.1

9.8 critical

EPSS

3%p85

Published

Feb 24, 2020 (Feb 24, 2020)

Modified

Jun 17, 2026

Description

A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49. Specially crafted output, or a special program, could corrupt memory and crash Screen or possibly have unspecified other impact.

Vendors: gnu
Products: screen
Weakness: CWE-787
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 (2.7%)

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