Use After Free Affecting curl package, versions <7.72.0-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.39% (73rd percentile)

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  • Snyk IDSNYK-ALPINE317-CURL-3139234
  • published10 Dec 2020
  • disclosed14 Dec 2020

Introduced: 10 Dec 2020

CVE-2020-8231  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Alpine:3.17 curl to version 7.72.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Alpine. See How to fix? for Alpine:3.17 relevant fixed versions and status.

Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.

CVSS Scores

version 3.1