9.8

CVE-2021-26937

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnu ≫ Screen Version <= 4.8.0
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 9.15% 0.947
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.

http://www.openwall.com/lists/oss-security/2021/02/09/8
Third Party Advisory
Exploit
Mailing List
https://ftp.gnu.org/gnu/screen/
Product
https://lists.debian.org/debian-lts-announce/2021/02/msg00031.html
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNWBOIDEPOEQS5RMQVMFKHKXJCGNYWBL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJWLXP45POUUYBJRRWPVAWNZDJTLYWVM/
https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html
Vendor Advisory
Exploit
Mailing List
https://security.gentoo.org/glsa/202105-11
Third Party Advisory
https://www.debian.org/security/2021/dsa-4861
Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/02/09/3
Third Party Advisory
Exploit
Mailing List
https://security.netapp.com/advisory/ntap-20250509-0004/