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Fedora 33: BROTLI 1.0.9 Critical Update for Buffer Overflow

fedora
Calendar Grey October 23, 2020
Dist Fedora Esm H88
The Patch application in Ubuntu 20.04 addresses a critical memory leak vulnerability, thereby improving the integrity of the platform.
Update to 1.0.9, fixes CVE-2020-8927

Summary

Brotli is a generic-purpose lossless compression algorithm that compresses

data using a combination of a modern variant of the LZ77 algorithm, Huffman

coding and 2nd order context modeling, with a compression ratio comparable

to the best currently available general-purpose compression methods.

It is similar in speed with deflate but offers more dense compression.

Update to 1.0.9, fixes CVE-2020-8927

* Thu Oct 1 2020 Travis Kendrick - 1.0.9-3

- Apparently %autosetup calls %patch on its own

* Thu Oct 1 2020 Travis Kendrick - 1.0.9-2

- Fix pc file (#1884364)

* Wed Sep 30 2020 Travis Kendrick - 1.0.9-1

- Update to 1.0.9 (#1872932)

[ 1 ] Bug #1879226 - CVE-2020-8927 brotli: buffer overflow when input chunk is larger than 2GiB [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1879226

su -c 'dnf upgrade --advisory FEDORA-2020-c76a35b209' 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: 1.0.9
Release: 3.fc33
Summary: Lossless compression algorithm

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