CVE-2021-26937

Sažetak

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.

Reference

http://www.openwall.com/lists/oss-security/2021/02/09/8
https://ftp.gnu.org/gnu/screen/
https://lists.debian.org/debian-lts-announce/2021/02/msg00031.html
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
https://security.gentoo.org/glsa/202105-11
https://www.debian.org/security/2021/dsa-4861
https://www.openwall.com/lists/oss-security/2021/02/09/3
http://www.openwall.com/lists/oss-security/2021/02/09/8
https://ftp.gnu.org/gnu/screen/
https://lists.debian.org/debian-lts-announce/2021/02/msg00031.html
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
https://security.gentoo.org/glsa/202105-11
https://security.netapp.com/advisory/ntap-20250509-0004/
https://www.debian.org/security/2021/dsa-4861
https://www.openwall.com/lists/oss-security/2021/02/09/3

CVSS

Base:	7.5
Impact:	6.4
Exploitability:	10.0

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
PARTIAL	PARTIAL	PARTIAL

CVSS vektor

AV:N/AC:L/Au:N/C:P/I:P/A:P

Zadnje važnije ažuriranje

09-05-2025 - 20:15

Objavljeno

09-02-2021 - 20:15