Out-of-bounds Write Affecting fluent/fluent-bit package, versions [,1.6.4)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-UNMANAGED-FLUENTFLUENTBIT-2364900
  • published26 Jan 2022
  • disclosed3 Jan 2021
  • creditUnknown

Introduced: 3 Jan 2021

CVE-2020-35963  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade fluent/fluent-bit to version 1.6.4 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write flb_gzip_compress in flb_gzip.c in Fluent Bit before 1.6.4 has an out-of-bounds write because it does not use the correct calculation of the maximum gzip data-size expansion.

CVSS Scores

version 3.1