<p>Upgrade <code>Amazon-Linux:2</code> <code>libcurl-devel</code> to version 0:7.79.1-1.amzn2.0.1 or higher.<br>This issue was patched in <code>ALAS2-2021-1724</code>.</p>

Double Free Affecting libcurl-devel package, versions <0:7.79.1-1.amzn2.0.1

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0.69% (81^st percentile)

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Snyk ID SNYK-AMZN2-LIBCURLDEVEL-2315466
published 11 Dec 2021
disclosed 23 Sep 2021

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Introduced: 23 Sep 2021

CVE-2021-22945 Open this link in a new tab CWE-415 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 libcurl-devel to version 0:7.79.1-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2021-1724.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl-devel package and not the libcurl-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it again.

References

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