Red Hat Security Advisory: screen security update
An update for screen is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-26937US | critical9.8 | — | ||
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 v… | ||||
references
External citations — patches, advisories, analysis.
remediations (22)
- Fixedscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.ppc64le as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.src as a component of Red Hat Enterprise Linux Server AUS (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.src as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.src as a component of Red Hat Enterprise Linux Server TUS (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server AUS (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server TUS (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-debuginfo-0:4.1.0-0.25.20120314git3c2946.el7_7.1.ppc64le as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-debuginfo-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server AUS (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-debuginfo-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Fixedscreen-debuginfo-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server TUS (v. 7.7)
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2022:1074 - Workaroundscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.ppc64le as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.src as a component of Red Hat Enterprise Linux Server AUS (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.src as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.src as a component of Red Hat Enterprise Linux Server TUS (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server AUS (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server TUS (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-debuginfo-0:4.1.0-0.25.20120314git3c2946.el7_7.1.ppc64le as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-debuginfo-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server AUS (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-debuginfo-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server E4S (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
- Workaroundscreen-debuginfo-0:4.1.0-0.25.20120314git3c2946.el7_7.1.x86_64 as a component of Red Hat Enterprise Linux Server TUS (v. 7.7)
This flaw is in utf8 processing; if your screen configuration does not enable utf8 (through configuration such as "defencoding utf-8" in .screenrc), you are not vulnerable.
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan