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Fedora 32 Update: FEDORA-2020-e384830a0d Critical Golang XZ Input Fix

fedora
Calendar Grey August 28, 2020
Dist Fedora Esm H88
The update for Fedora 32's golang-github-ulikunitz-xz improves input processing, enhancing security and stability.
* The `readUvarint` function would run infinitely given specific input

Summary

This Go language package supports the reading and writing of xz compressed

streams. It includes also a gxz command for compressing and decompressing data.

The package is completely written in Go and doesn't have any dependency on any C

code.

* The `readUvarint` function would run infinitely given specific input. The

function is now terminating if more than 10 bytes of input have been read. Fixes

[issue #35](https://github.com/ulikunitz/xz/issues/35) (CVE-2020-16845).

* Thu Aug 20 2020 Dominik Mierzejewski - 0.5.8-1

- Release 0.5.8 (#1870433)

- fixes CVE-2020-16845

[ 1 ] Bug #1867099 - CVE-2020-16845 golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs

https://bugzilla.redhat.com/show_bug.cgi?id=1867099

su -c 'dnf upgrade --advisory FEDORA-2020-e384830a0d' 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
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Critical

Product: Fedora 32
Version: 0.5.8
Release: 1.fc32
Summary: Pure golang package for reading and writing xz-compressed files

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