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.
Published: 2021-02-09
Score: 9.8 Critical
EPSS: 11.9% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2570-1 screen security update
Debian DSA Debian DSA DSA-4861-1 screen security update
EUVD EUVD EUVD-2021-13719 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.
Ubuntu USN Ubuntu USN USN-4747-1 GNU Screen vulnerability
Ubuntu USN Ubuntu USN USN-4747-2 GNU Screen vulnerability
History

Fri, 09 May 2025 20:45:00 +0000

Type Values Removed Values Added
References

Subscriptions

Debian Debian Linux
Fedoraproject Fedora
Gnu Screen
Redhat Enterprise Linux Rhel Aus Rhel E4s Rhel Tus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-05-09T20:03:29.289Z

Reserved: 2021-02-09T00:00:00.000Z

Link: CVE-2021-26937

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-02-09T20:15:14.910

Modified: 2025-05-09T20:15:36.293

Link: CVE-2021-26937

cve-icon Redhat

Severity : Important

Publid Date: 2021-02-10T00:00:00Z

Links: CVE-2021-26937 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses