Red Hat Security Advisory: screen security update
An update for screen is now available for Red Hat Enterprise Linux 7. 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 (30)
- Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.src as a component of Red Hat Enterprise Linux Client Optional (v. 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-2021:0742 - Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.src as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 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-2021:0742 - Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 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-2021:0742 - Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 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-2021:0742 - Fixedscreen-debuginfo-0:4.1.0-0.27.20120314git3c2946.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-debuginfo-0:4.1.0-0.27.20120314git3c2946.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-debuginfo-0:4.1.0-0.27.20120314git3c2946.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-debuginfo-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 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-2021:0742 - Fixedscreen-debuginfo-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 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-2021:0742 - Fixedscreen-debuginfo-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 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-2021:0742 - Workaroundscreen-0:4.1.0-0.27.20120314git3c2946.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.src as a component of Red Hat Enterprise Linux Client Optional (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.src as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 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-0:4.1.0-0.27.20120314git3c2946.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 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.
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