DEBIAN-CVE-2021-26937

    Dashboard / Vulnerabilities / DEBIAN-CVE-2021-26937

    DEBIAN-CVE-2021-26937

    Published: 9 Feb 2021Last Modified: 1 Sept 2026
    Upstream:
    CVE-2021-26937

    Summary:

    Details: 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://security-tracker.debian.org/tracker/CVE-2021-26937

    Affected packages

    Package

    Name: screen

    Purl: pkg:deb/debian/screen?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.8.0-5

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    DEBIAN-CVE-2021-26937 | CVE-DB