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Debian LTS Advisory DLA-2570-1              [email protected]
https://www.debian.org/lts/security/                      Utkarsh Gupta
February 20, 2021                           https://wiki.debian.org/LTS
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Package        : screen
Version        : 4.5.0-6+deb9u1
CVE ID         : CVE-2021-26937
Debian Bug     : 982435

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

We recommend that you upgrade your screen packages.

For the detailed security status of screen please refer to
its security tracker page at:

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