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Allocation of Resources Without Limits or Throttling Affecting curl package, versions <7.88.1-10+deb12u3

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.93% (83rd percentile)
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NVD
7.5 high
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SUSE
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIAN12-CURL-5901300
  • published 14 Sep 2023
  • disclosed 15 Sep 2023
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Introduced: 14 Sep 2023

CVE-2023-38039 Open this link in a new tab
CWE-770 Open this link in a new tab

How to fix?

Upgrade Debian:12 curl to version 7.88.1-10+deb12u3 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 Debian. See How to fix? for Debian:12 relevant fixed versions and status.

When curl retrieves an HTTP response, it stores the incoming headers so that they can be accessed later via the libcurl headers API.

However, curl did not have a limit in how many or how large headers it would accept in a response, allowing a malicious server to stream an endless series of headers and eventually cause curl to run out of heap memory.

References