CentOS 7: 2021-662680e477 Urgent RPM System Package Security Patch

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 - 4.15.1.1-1

- Rebase to 4.15.1.1 (https://rpm.org/wiki/Releases/4.15.1.1)

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

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

[ 2 ] Bug #1927747 - CVE-2021-3421 rpm: unsigned signature header leads to string injection into an rpm database

https://bugzilla.redhat.com/show_bug.cgi?id=1927747

[ 3 ] 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-2021-662680e477' 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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