What is RHSA-2021:4256?

RHSA-2021:4256 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: graphviz security update

Which CVE IDs does RHSA-2021:4256 cover?

RHSA-2021:4256 covers the following CVE IDs: CVE-2020-18032. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2021:4256?

RHSA-2021:4256 has a CVSS v3 base score of 7.8, published by Red Hat Product Security.

Which products are affected by RHSA-2021:4256?

RHSA-2021:4256 affects 136 products, including: Red Hat CodeReady Linux Builder (v. 8); Red Hat Enterprise Linux AppStream (v. 8); graphviz-0:2.40.1-43.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8); graphviz-0:2.40.1-43.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8); graphviz-0:2.40.1-43.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8); and others — see the full list on the advisory page.

RHSA-2021:4256MediumCVSS 7.8

Red Hat Security Advisory: graphviz security update

Vendor

Red Hat Product Security

Published

November 9, 2021

Last Modified

November 5, 2026

🔗 CVE IDs covered (1)

CVE-2020-18032 →

📋 Description

CVE-2020-18032 — graphviz: off-by-one in parse_reclbl() in lib/common/shapes.c

🎯 Affected products136

Red Hat CodeReady Linux Builder (v. 8)
Red Hat Enterprise Linux AppStream (v. 8)
graphviz-0:2.40.1-43.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-0:2.40.1-43.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-0:2.40.1-43.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-0:2.40.1-43.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-0:2.40.1-43.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-0:2.40.1-43.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debuginfo-0:2.40.1-43.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-debugsource-0:2.40.1-43.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
graphviz-devel-0:2.40.1-43.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)
graphviz-devel-0:2.40.1-43.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)
+106 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products136

✅ Remediation

🔗 References (5)