CVE-2021-26937

 

Published at: - 09-02-2021 09:15

Last modified: - 06-05-2022 10:59

Total changes: - 10

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://www.openwall.com/lists/oss-security/2021/02/09/3
• https://ftp.gnu.org/gnu/screen/
• https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html
• [oss-security] 20210210 Re: screen crash processing combining characters-Exploit, Mailing List, Third Party Advisory
• [debian-lts-announce] 20210219 [SECURITY] [DLA 2570-1] screen security update-Mailing List, Third Party Advisory
• DSA-4861-Third Party Advisory
• FEDORA-2021-5e9894a0c5-Mailing List, Third Party Advisory
• FEDORA-2021-9107eeb95c-Mailing List, Third Party Advisory
• GLSA-202105-11-Third Party Advisory

 

Keywords

NVD

 

CVE-2021-26937

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures