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Vulnerability details: VCID-wr8k-aue4-2fhc
Vulnerability ID VCID-wr8k-aue4-2fhc
Aliases CVE-2020-9366
Summary 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.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9366.json
epss 0.00729 https://api.first.org/data/v1/epss?cve=CVE-2020-9366
epss 0.00729 https://api.first.org/data/v1/epss?cve=CVE-2020-9366
cvssv3.1 5.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9366.json
https://api.first.org/data/v1/epss?cve=CVE-2020-9366
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9366
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1801405 https://bugzilla.redhat.com/show_bug.cgi?id=1801405
950896 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=950896
GLSA-202003-62 https://security.gentoo.org/glsa/202003-62
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9366.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.73013
EPSS Score 0.00729
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:10:49.044166+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0