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====================================================================                   
Red Hat Security Advisory

Synopsis:          Moderate: pandoc security update
Advisory ID:       RHSA-2021:1972-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1972
Issue date:        2021-05-18
CVE Names:         CVE-2020-5238
====================================================================
1. Summary:

An update for pandoc is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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.

2. Relevant releases/architectures:

Red Hat CodeReady Linux Builder (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

Pandoc is a Haskell library for converting from one markup format to
another, and a command-line tool that uses this library.

Security Fix(es):

* cmark-gfm: Exponential time to parse certain inputs could lead to DoS
(CVE-2020-5238)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.4 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1854328 - CVE-2020-5238 cmark-gfm: Exponential time to parse certain inputs could lead to DoS

6. Package List:

Red Hat CodeReady Linux Builder (v. 8):

Source:
pandoc-2.0.6-5.el8.src.rpm

aarch64:
pandoc-2.0.6-5.el8.aarch64.rpm

noarch:
pandoc-common-2.0.6-5.el8.noarch.rpm

ppc64le:
pandoc-2.0.6-5.el8.ppc64le.rpm

s390x:
pandoc-2.0.6-5.el8.s390x.rpm

x86_64:
pandoc-2.0.6-5.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-5238
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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