CVE-2021-26937
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.
- Score
- CVSS 3.1 9.8 Critical
- Status
- Modified - cve@mitre.org
- Published
- 2021-02-09
- Last modified
- 2025-05-09
- Weaknesses
- CWE-88
Affected products
References
- 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/GNWBOIDEPOEQS5RMQVMFKH…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJWLXP45POUUYBJRRWPVAW…
- 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
- https://security.netapp.com/advisory/ntap-20250509-0004/