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Fedora 33: 2021-xyz123abc456 Critical: RPM Package Management Issues

fedora
Calendar Grey March 30, 2021
Dist Fedora Esm H88
Important enhancement for Fedora 33 resolving various vulnerabilities in RPM package handling, improving overall system security.
Security fix for CVE-2021-3421, CVE-2021-20271 and CVE-2021-20266.

Summary

The RPM Package Manager (RPM) is a powerful command line driven

package management system capable of installing, uninstalling,

verifying, querying, and updating software packages. Each software

package consists of an archive of files along with information about

the package like its version, a description, etc.

Security fix for CVE-2021-3421, CVE-2021-20271 and CVE-2021-20266.

* Mon Mar 22 2021 Panu Matilainen - 4.16.1.3-1

- Rebase to rpm 4.16.1.3 (http://rpm.org/wiki/Releases/4.16.1.3)

[ 1 ] Bug #1927741 - CVE-2021-20266 rpm: missing length checks in hdrblobInit()

https://bugzilla.redhat.com/show_bug.cgi?id=1927741

[ 2 ] Bug #1934125 - CVE-2021-20271 rpm: Signature checks bypass via corrupted rpm package

https://bugzilla.redhat.com/show_bug.cgi?id=1934125

su -c 'dnf upgrade --advisory FEDORA-2021-8d52a8a999' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 33
Version: 4.16.1.3
Release: 1.fc33
Summary: The RPM package management system

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