Debian Security Advisory
DLA-2570-1 screen -- LTS security update
- Date Reported:
- 20 Feb 2021
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 982435.
In Mitre's CVE dictionary: CVE-2021-26937.
- More information:
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.
For Debian 9 stretch, this problem has been fixed in version 4.5.0-6+deb9u1.
We recommend that you upgrade your screen packages.
For the detailed security status of screen please refer to its security tracker page at: https://security-tracker.debian.org/tracker/screen
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS