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Buffer Overflow Affecting brotli package, versions <1.0.7-6ubuntu0.1

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.61% (79th percentile)
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NVD
6.5 medium
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SUSE
5.3 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-UBUNTU2004-BROTLI-1012967
  • published 25 Sep 2020
  • disclosed 15 Sep 2020
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Introduced: 15 Sep 2020

CVE-2020-8927 Open this link in a new tab
CWE-120 Open this link in a new tab

How to fix?

Upgrade Ubuntu:20.04 brotli to version 1.0.7-6ubuntu0.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream brotli package and not the brotli package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

A buffer overflow exists in the Brotli library versions prior to 1.0.8 where an attacker controlling the input length of a "one-shot" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your Brotli library to 1.0.8 or later. If one cannot update, we recommend to use the "streaming" API as opposed to the "one-shot" API, and impose chunk size limits.

References